When crews need to release highly loaded systems with complete control, especially in tight quarters, they rely on the unique trigger mechanism in Harken's Trigger Cam Cleat a.k.a. ﾓNash cleat in to trip the cleat's pawls and free the sheet. Harken's Trigger Cam Cleat Low Profile Cam Base - Swivel is used in mainsheet, halyard, vang, and control line applications. It is rugged, made of stainless steel, and very reliable in heavy air. The cleat accepts line with a minimum diameter of 1/8 in (3mm) and maximum diameter of ﾽ in (12mm). It is compatible with Harken's Small Boat Classic Blocks including: Big Bullet, Dinghy, and 2 1/4 in. (57mm) blocks.