Barton Marine Size 5 Vang Tackle 4:1 [05900]Size 5 Vang Tackle 4: 1 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" (10 mm) Braided polyester line Safe working load 1,650 lb (750 kg) In the Box: N05641 Fiddle block with snap shackle Becket and