Lewmar's award-winning Superlock redefined rope clutch technology has been continuously reinforced by magazine and independent tests.   It remains the only true clutch on the market in that it can be released under load due to its unique variable geometry handle and the grip pattern of the dominoes.

The new Superlock D1 brings to the day racer and up to 32 foot cruiser all of the best features of the larger D2, with an all new rounder profile and handle.

The two models will now handle line diameters between 1/4" and 9/16"".

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