Ronstan Series 55 Orbit Block™, Upright Lead RF55171 Top Coat Curved upper frame for strength

Curved upper frame for strength as well as modern styling

250mm light weight alloy handle

Stainless steel tension spring mechanism locks in open as well as closed position

5mm BL 2700kg

chemical corrosion resistant pipes

Ronstan Series 55 Orbit Block™, Upright Lead RF55171 Top Coat Curved upper frame for strengthUpright lead block, Requires 2x 6mm (1 4") Fasteners FEATURES Ultra Lightweight. Low friction 2 stage Orbital ball bearing system. Highest working load in its class. Low profile and compact. High performance cleating Specifications Product Specifications Type of Block Upright Lead Sheave diameter (mm) 55mm B. L. (kg) 1000 M. W. L. (kg) 500 Max. Rope diameter (mm) 10 Weight (g) 91