HARKEN 100mm Aluminum Double Block — Swivel, 3248 Sailing Shackles & Swivels_Loups Winch drums are made of

Winch drums are made of black Hardkote anodized aluminum

Harken 75mm Carbo Fiddle Ratchet Block with Becket and Cam allows for 3:1 or 4:1 tackles on dinghy vangs and mainsheets

Run multiple halyards and control lines aft from the mast to stoppers or winches for quick easy adjustment

Simple design and construction for handling high static loads on cruising boats

Sailors will appreciate the minimal stretch when the gloves get wet and how they dry soft to the touch

HARKEN 100mm Aluminum Double Block — Swivel, 3248 Sailing Shackles & Swivels_Loups Winch drums are made ofBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Offered in 57 150 mm sizes, with low load versions in 57 and 75 mm ranges. A center cage keeps Torlon roller bearings separated and parallel to reduce friction. The sheave center carries the primary load,