The Seldén BBB20 Triple Ball Bearing Block is designed for control lines on dinghies and keelboats. Made with stainless steel ball bearings and glass fiber reinforced polyamide, it offers high strength and low friction. Can be attached with shackle or line. Ideal for 420 rig tension systems.
Safe working Load: 300 kg Breaking Load: 600 kg Max line size: 6 mm
