Ronstan 19mm wire blocks have specialised Nylatron sheaves for maximum wear resistance and narrow grooves to support wire.
•Wire blocks suit halyards, vang and backstay applications
•Grade 316 stainless steel cheeks.
•Sheave Ø: 19 mm
•Max. Wire Ø: 3 mm
•Max Working Load: 250 kg
•Breaking Load: 500 kg
•Weight: 20 g