The Ronstan 45mm Wire Block features a durable tubular rivet head and a removable Nylatron® sheave, designed for effortless installation and reliability in marine applications.
Narrow sheaves designed to minimize chafing
Removable sheave allows for easy fitting without cutting wire termination
Flared cheeks enhance performance
Ideal for halyards, vang, and backstay applications
Constructed with Grade 316 stainless steel cheeks and Nylatron® sheave