Barton 4:1 Boom Vang Systems Upgrade your existing vang system or use as a boom preventer. Snap shackle fixings allow for quick and easy deployment. Professionally spliced and assembled. These can be used as Handy Billies. The blocks have a modern design with high strength and lightweight features, which allow for a multitude of uses on every size of craft. 02900 - Size 2 - 4:1 Vang System with Swivel Head For Boats up to 6.1m/20’ Comprises: N02631 fiddle block with swivel shackle, becket and cam and N02430 fiddle block with swivel shackle. 6.1m (20ft) of 8mm (5/16”) braided polyester line with soft eye. SWL = 370kg (815lbs). Length = 400mm - 15 3/4” Height = 40mm - 1 9/16” Width = 80mm - 3 1/8” Weight = 0.6kg - 1lb 5oz 03900 - Size 3 - 4:1 Vang System, with Snap Shackles - For boats up to 7.6m/25’ Comprises: N03641 fiddle block with swivel snap shackle, becket and cam and N02440 fiddle block with swivel snap shackle. 7.3m (24ft) of 8mm (5/16”) braided polyester line with soft spliced eye. SWL = 400KG - 880lbs. Length = 400mm -15 3/4” Height = 70mm - 2 3/4” Width = 100mm - 3 15/16” Weight = 0.8 kg - 1lb 12oz 05900 - Size 5 - 4:1 Vang System with Snap Shackles – For boats up to 10.7m/35’ Comprises: N05641 fiddle block with swivel snap shackle, becket and cam and N05440 fiddle block with swivel snap shackle 12.2m (40ft) of 10mm (3/8”) braided polyester line with soft spliced eye. SWL = 750kg - 1650lbs. Length = 490mm - 19 5/16” Height = 90mm - 3 9/16” Width = 140mm - 5 1/2” Weight = 1.8kg - 4lbs