Ronstan Series 60 RB Block, Pivoting Low Lead Lewmar 80mm High Load Racing Blocks Weight (lbs) - 8 (128

Weight (lbs) - 8 (128 oz)

Width: 5/8" (16mm)

Wichard Single 2 49/64" (70mm) Ball Bearing Block w/ Swivel Head & Becket

Weight (lb) - 39

A - 1 25/32 in

Ronstan Series 60 RB Block, Pivoting Low Lead Lewmar 80mm High Load Racing Blocks Weight (lbs) - 8 (128Product Description Ronstan Series 60 RB Block, Pivoting Low Lead Product Information Ball Bearing models have Torlon needle rollers for axial loads, and acetal ball bearings for side thrust loads. Maintains alignment with a variable line entry angle. The line passes through the centre of the pivot support, remaining as close to the deck as possible. The self contained alloy sheave packages provide reliable, low friction performance at high loads.