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DC1 Rope Clutch Double for 10-12mm (3/8"-1/2") Lines

Lewmar DC1 Rope Clutch Double for 10-12mm (3/8"-1/2") Lines
$161.00 (List Price: $246.95)
35% OFF This Week! You save $123
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Our Part #: LEW29101212BK | Mfr. Part #: 29101212BK
Free Shipping for US Continental orders over $99.

Line Size3/8 - 7/16 in.10.00 - 12.00 mm.
Min Holding Load1100.00 lb.500.00 kg.
Approx. Weight23.00 oz.650.00 g.
WLL1100.00 lb.500.00 kg.
L5.00 in.126.00 mm.
W2 5/16 in.57.85 mm.
H2 13/16 in.72.00 mm.
A1 1/8 in.27.00 mm.
B1 3/16 in.29.00 mm.
E1.00 in.26.00 mm.
F3 1/8 in.79.00 mm.

This revolutionary new system has been independently tested time and again and has won awards for its innovative framework.
Throughout the history of rope clutch development, the cam was given teeth. This has always been a primary cause of line abrasion. Lewmar's clutch is an innovative approach to the line holding function. Shown in the image above right, rather than jamming the line (top), Lewmar's Domino mechanism flexes it (bottom) for better grip and less wear.
When selecting a clutch, it is best to select the size with an upper rope range close to the size of the line to be belayed. Doing so will ensure maximum deflection as the Domino flexes the line.


  • Domino Cluster and greater holding surface area holds line under load without fraying.
  • Controlled Release - Pull back handle combined with patented clutch and release mechanism provides controlled release even at full holding load.
  • Solid link from handle to Domino Cluster.
  • Line size capability from 6mm (1/4 inch) to 14mm (9/16 inch).