Upgrade your existing Vang system or use it as a boom preventer. Snap shackle fixings allow for quick and easy deployment. Professionally spliced and assembled. Compatible With: Boats up to 35′ 10.7 M Technical Specifications: Head – Snap Shackle Mechanical Advantage – 4:1 Line – 40′ 12.2 M of 3/8 in. 10 mm Braided polyester line Safe working load – 1,650 lb 750 kg In the Box: N05641 Fiddle block with snap shackle Becket and Cam cleat N054400 Fiddle block with snap shackle Line *Sold as an Individual