FRX25 Friction Ring - 25mm (63/64")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 moreSpecifications: Materials: Anodized aluminium Working load: (lb) 11020 / (kg) 5000 Weight: (lb) 0.126 / (g) 57 A: (inch) 43/64" / (mm) 17 B: (inch) 63/64" / (mm) 25 C: (inch) 63/64" / (mm) 25 D diameter: (inch) 2 23/64" / (mm) 60 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 Quick Guide (pdf)