Lewmar Claw Anchors: Weight, Chain Size & Dimensions
Lewmar's galvanised Claw anchors are available in several weights, and the larger models use progressively larger shanks and flukes. Choosing one for a boat means considering the vessel, anchoring conditions, the entire rode and the available bow-roller or locker clearance. This chart identifies five exact Lewmar part numbers with the manufacturer's specified weight, dimensions and recommended chain diameters.
Check the anchor, chain and stowage together
Identify the full MPN0057901 is a 1-kg Claw, while 0057910 is a 10-kg model. An anchor that looks similar may use different overall dimensions and chain sizes.
Check your chain sizeLewmar lists 5-mm chain for the 1-, 2- and 5-kg models, 6-mm for the 7.5-kg model and 8-mm for the 10-kg model. The complete rode, shackle and any windlass must be compatible.
Check bow clearanceCompare the shank length, claw width, deck edge and roller or locker space. Not every roller is designed for every Claw model; verify the whole stowage arrangement.
Choosing an anchor is not a weight-only decision. Boat displacement, windage, expected wind/current, seabed, anchoring depth, rode scope and local conditions all matter. Use Lewmar's full anchoring-selection guidance and relevant marine safety recommendations rather than choosing solely by hull length.
Lewmar Claw weights, chain sizes and dimensions
The A, B and C values are Lewmar's technical drawing dimensions for the galvanised Claw models. A is the height in the side view, B is the overall shank length and C is the width across the claws. All dimensions are nominal and subject to the manufacturer's published tolerances. Galvanised and stainless-steel Claw versions are dimensionally different.
| Lewmar MPN | Anchor weight | Recommended chain | Dimensions A / B / C | Product |
|---|---|---|---|---|
| 0057901 | 1 kg (2.2 lb) | 5 mm (3/16 in) | 133 mm / 295 mm / 182 mm | View |
| 0057902 | 2 kg (4.4 lb) | 5 mm (3/16 in) | 182 mm / 361 mm / 240 mm | View |
| 0057905 | 5 kg (11 lb) | 5 mm (3/16 in) | 227 mm / 468 mm / 295 mm | View |
| 0057907 | 7.5 kg (16.5 lb) | 6 mm (1/4 in) | 263 mm / 499 mm / 324 mm | View |
| 0057910 | 10 kg (22 lb) | 8 mm (5/16 in) | 282 mm / 540 mm / 360 mm | View |
Compare the available Lewmar Claw anchors
Product cards below link to the exact UsedRVParts listings. The anchors are supplied individually, without chain or shackle, unless an individual product listing specifies otherwise.
Lewmar 0057902
2 kg / 4.4 lb · 5 mm (3/16 in) chain
2-kg model with larger dimensions than the 1-kg version.
Lewmar 0057905
5 kg / 11 lb · 5 mm (3/16 in) chain
5-kg model retaining the manufacturer-listed 5-mm chain recommendation.
Lewmar 0057907
7.5 kg / 16.5 lb · 6 mm (1/4 in) chain
7.5-kg model with a 6-mm recommended chain size.
Lewmar 0057910
10 kg / 22 lb · 8 mm (5/16 in) chain
10-kg model with an 8-mm recommended chain size.
Frequently asked questions
Is the recommended chain size the same for all Claw weights?
No. Lewmar lists 5-mm chain for the 1-, 2- and 5-kg models in this range, 6-mm for the 7.5-kg anchor and 8-mm for the 10-kg anchor. Verify the full rode and windlass specifications.
Can a bigger Claw anchor use the same existing bow roller?
Only if the anchor's shank, claw shape and dimensions fit the specific roller and the mounting is suitable. Compare the installed system with Lewmar's drawings before changing sizes.
Does the listed anchor include chain?
The product descriptions identify the Claw anchors themselves. Chain, shackle and other rode components must be selected and purchased separately unless the particular product listing says otherwise.
Is a galvanised Claw the same size as a stainless Claw?
No. Lewmar's technical documentation states that galvanised and stainless Claw anchors can differ in size because of their manufacturing methods. Compare the exact material and part number.
Can anchor weight alone determine the correct boat size?
No. Anchoring conditions and vessel characteristics influence the appropriate choice. Consult the anchor maker's selection information and your vessel's requirements.
Related anchoring guides
Inspect the anchor and rode before each use, and confirm any roller or windlass compatibility from its manufacturer's technical data.
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