FRX20 Friction Ring - 20mm (25/32")Features: Efficient and light; FRX Wichard thimbles are efficient, light, and reliable; Very strong and can be used for heavy loads and semi-static lines; FRX thimbles are designed to make your lines run smoothly with minimum wear; They are hard anodized (50 microns) for a longer lifespan; Applications: Mast-foot block, barber-hauler, inhauler, loop, thimble, lazy jack, running backstay, tackle, and more; Specifications: Materials: Anodized aluminium; Working load: (lb) 7050 / (kg) 3200; Weight: (lb) 0.068 / (g) 31; A: (inch) 35/64" / (mm) 14; B: (inch) 25/32" / (mm) 20; C: (inch) 53/64" / (mm) 21; D diameter: (inch) 1 27/32" / (mm) 47; Caption: Working Load (WL): For nautical applications; Working Load Limit (WLL): For industrial applications only. The safety factor is 5 times the breaking load. WLL = Breaking load / 5; - cis2:mm5mnJlm -Quick Guide (pdf)