38mm eyestrap used on the RS21 next to the sheet bag. Attach using 2x screws. Secures the Selden PBB40 Single Strap Block. Part numbers for the screws and block are FIX-S8-P02 and 404-001-25R,...
Selden lightweight Ball Bearing Blocks (BBB) are to designed to perform under moderate and dynamic loads where good sheave rotation and minimal friction are critical.The 40mm series features...
