RF661 Series 20 Utility Block, Tube Rivet Single, tube rivet FEATURES Lightweight durable construction. Economical. Maintenance free. SPECIFICATIONS Product Specifications B.L. (kg) 450 M.W.L. (kg) 150 Max. Rope diameter (mm) 5 Weight (g) 10 Sheave Material Acetal Product Information Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets accept fixing screws, shackles or can be used to add a becket for extra purchase. TECHNICAL INFORMATION SPECIFICATION DETAILS Specification Details A (mm) 4.8 B (mm) 19.5 C (mm) 3 D (mm) 4 APPLICATIONS Vang, cunningham and trapeze retriever systems on dinghies. Leech line tackles, bunk adjusters etc on larger yachts MATERIALS U.V. stabilised Acetal sheavesGrade 316 stainless steel cheeks
