Selden
Seldén 30 mm Ball Bearing Double Block
Seldén ball bearing blocks (BBB) give an instant, low-friction response even under light loads, thanks to stainless steel ball bearings. Light and strong, they are ideal for sheets...
Double blocks for building efficient purchases. With two sheaves side by side, they let you reeve multi-part tackles or run two lines from a single fitting, combining strength, smooth running and precise control.