20 mm Ball bearing Block - Triple PBB16 while the glass fiber reinforced

while the glass fiber reinforced cheeks enhance strength and durability

halyards and backstay control in applications where stability and quick adjustments are key

A solid track with no holes for installation

It features stainless steel ball bearings for smooth rotation and a glass fiber reinforced polyamide composite for strength

The 60 mm Single Cheek Plain Bearing Block with Quick-Lock is designed to lead a line to a winch and allow for the line to be temporarily locked with a spring-loaded locking arm

20 mm Ball bearing Block - Triple PBB16 while the glass fiber reinforcedThe Seldn 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