JS Sea Streamer hook silhouette
Hook Reference › Partridge Hooks › Partridge CS11/1 — JS Sea Streamer

Partridge of Redditch CS11/1

JS Sea Streamer

Evidence reviewed October 4, 2026. Marks: P photographically · V verified · I inferred · E estimated · S speculative What they mean

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Summary

The CS11/1 JS Sea Streamer is a barbed single hook from Partridge of Redditch, documented here from a size 4 packet marked GREY SHADOW P. The packet states that it was designed for streamers and other long attractor flies for sea trout in the coastal waters of Scandinavia P.

Photographic record

3 photographs

Side view of a size 4 Partridge CS11/1 hook on a grid: long straight shank, round bend, barbed point, turned-down ring eye, dark grey finish.
IMG-1Partridge — New entry — image 1 Size 4 CS11/1 hook, side view: plain shank, round bend, barbed spear point, turned-down ring eye and dark grey finish (P).

How to identify it

The front of the packet reads JS SEA STREAMER over GREY SHADOW, with SIZE 4, QTY 25 and REF CS11/1 P. A blue band runs across the top, and a small bird mark sits in the lower left corner P.

The back carries a printed note crediting Jens Staal from Denmark, the line MADE IN SINGAPORE and a UPC barcode numbered 0 23534 33297 3 P.

The hook in the photographs has a dark grey finish, a plain shank, a turned-down ring eye and one small barb P.

Technical profile and measurements

Features of the model, as recorded
FeatureRecordedEvidence
EyeTapered Eye, Turned Down
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Small closed ring eye turned down toward the point side. The wire end meets the shank just behind the ring. Taper is not visible in side view. P

OBS-1
WireStandard, ForgedCMP-3CMP-3 compared with 210 catalogued hooks classified Standard
Shank3X Long — Plain
BendNarrow gap
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Smooth round bend running into a short straight lead to the point P. Bend position is closest to O'Shaughnessy in the site's silhouette comparison I.

PointStandard / Spear
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One small barb cut on the inside of the point, set a short way behind the tip P. The hook is barbed.

OBS-4
Finishstated on packaging
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Uniform dark grey metallic finish with a soft sheen P. The package names it GREY SHADOW; dealer listings also call it a Grey Shadow finish V.

OBS-6LBL-1SRC-2SRC-3

The photographed size 4 hook is a single hook with a long, straight, plain shank and a straight spear point P.

Recorded caliper readings for this hook are 31.9 mm in length, 26.1 mm shank length, 9.0 mm gap and 0.9 mm wire diameter E. Wire profile and point offset cannot be judged from a side view.

Measurements

Per size, with how each dimension was taken
SizeOverall lengthShank lengthGap widthBend depthWire diameterWeight
4Specimen S131.9 mm EcaliperMEA-126.1 mm EcaliperMEA-29 mm EcaliperMEA-3—0.9 mm EcaliperMEA-4 Check: The evidence record measured 0.9 mm (MEA-4).—
Calibrated SVG True-scale preview

How hook dimensions are measuredA hook outline with dimension lines for overall length, shank length, gap, bend depth, and wire diameter.Overall lengthShank lengthGapBend depthWire diameter
Overall length
Eye to the farthest point of the bend.
Shank length
Eye to the start of the bend.
Gap
Point to shank, at right angles to the shank.
Bend depth
Shank to the bottom of the bend.
Wire diameter
Across the wire, measured by caliper where possible.

Specimens, packaging, and label

This record documents one specimen. It describes that specimen only, not every example of the model.

S1 · Packet of size 4

Size
4 (printed on the label)
Container
Packet
Hook condition
No rust, pitting or bent wire visible. Point and barb look intact in the side view.
Packaging condition
Excellent — minimal wear
Wear
back, lower right of the film: Creasing and wrinkling of the clear film, visible as glare. No handwriting, stamps or pencil marks seen on either face. LBL-9
Measured
size 4
Photographs
IMG-1IMG-2IMG-3

The hook was photographed separately from the packet and is linked to the size 4 packet by size only.

What the label says

LBL-1 printed · front, upper area below blue band from IMG-3
JS SEA STREAMER
GREY SHADOW
LBL-2 printed · front, left middle from IMG-3
SIZE  4
LBL-3 printed · front, lower right from IMG-3
QTY  25
REF   CS11/1
LBL-4 trademark · front, lower left corner from IMG-3
LBL-5 printed · back, top paragraph from IMG-2
Partridge of Redditch, makers by hand of the finest sea hooks
since the start of the century- World renown for their quality.
LBL-6 printed · back, second paragraph below the first from IMG-2
These Sea Streamer hooks were developed by Jens Staal from
Denmark.
They were designed for fly fishing with streamers and other
long attractor flies for sea trout in the coastal waters of
Scandinavia.
LBL-7 printed · back, lower area above barcode from IMG-2
MADE IN SINGAPORE
LBL-8 printed · back, bottom, digits beneath barcode bars from IMG-2
0 23534 33297 3
Trademark
Small stylised bird in profile facing right, drawn as a black outline with a solid black lower body, in the lower left corner of the front face. No lettering in the mark.
As entered on the specimen record
JS SEA STREAMER
GREY SHADOW
SIZE  4
QTY  25
REF   CS11/1

Partridge of Redditch, makers by hand of the finest sea hooks
since the start of the century- World renown for their quality.
These Sea Streamer hooks were developed by Jens Staal from
Denmark.
They were designed for fly fishing with streamers and other
long attractor flies for sea trout in the coastal waters of
Scandinavia.
MADE IN SINGAPORE
0 23534 33297 3
Layout
Front: name and finish in the upper area below a blue band, SIZE at left middle, QTY and REF at lower right, bird mark at lower left. Back: two paragraphs at the top, MADE IN SINGAPORE and a UPC barcode with digits below it at the bottom.
Printed marks
Blue printed band across the top of the front. UPC barcode on the back.
Later marks
None seen on either face.

Pattern history and manufacturer context

Series

A US dealer listing records the CS11/1 in a Grey Shadow finish, in sizes 2, 4, 6, 8 and 10 and packs of 25 V. The listing states that the hook is discontinued in that finish and that Black Nickel is the new version V.

Partridge’s own website lists the CS11/1 in Black Nickel, sizes 4 to 10, with a straight eye V. A dealer listing of the Black Nickel version names a down eye V. The sources opened give no dates for the change of finish.

Design lineage

The packet states that the Sea Streamer hooks were developed by Jens Staal from Denmark P. A Danish dealer says the hook was originally developed with Partridge for Danish coastal fishing, and gives JS as his initials, the same letters that open the model name V.

Partridge of Redditch Read the maker’s history →

Use

  • Streamer / bucktail
  • Sea trout
  • Saltwater

Primary application

The packet states that the hooks were designed for fly fishing with streamers and other long attractor flies for sea trout in the coastal waters of Scandinavia P. A dealer listing of the Grey Shadow version describes it as a streamer and attractor hook for salt or brackish water V.

Other uses

Fry and minnow patterns, according to the maker's current Black Nickel listing V.

Fly patterns

Polychaete flies and other coastal flies, according to a Danish dealer V.

Collecting and buying

2 / 10CollectabilityRarity: Common

Rated 2: the maker's website and several dealers list the model, so it is easy to find V. One dealer lists the Grey Shadow finish as discontinued, but no sold sales or collector demand are recorded to raise the rating.

Basis: Listed on the maker's website and by several dealers V. One dealer lists the Grey Shadow finish as discontinued V. No sold sales are recorded.

No sold results are recorded for this model, so no value range is shown. Readers with recorded sales are invited to submit them.

Where to find

Fly-tying dealers list the model online, and some still list the Grey Shadow finish V.

Modern equivalents and related hooks

Sources, open questions, and record notes

Sources & Documentation

This specimen and its packaging — photographed, 3 images
Supports: hook type applicationdesigner collaboratorquantity per packagesize documentedeyebarbfinishmeasurements availableoverall lengthshank lengthgap widthwire diameter measuredmeasurement notespackagingmeta titlemeta descriptionprimary search termssummaryidentificationtechnical notesdesign lineageprimary application

Entry last updated October 4, 2026. Entries are updated as new specimens, measurements, or documents come to light.