RF417 Series 30 Utility Double Block, Tube Rivet Double, tube rivet FEATURES Lightweight durable construction. Economical. Maintenance free. SPECIFICATIONS Product Specifications B.L. (kg) 1300 M.W.L. (kg) 450 Max. Rope diameter (mm) 8 Weight (g) 40 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 as a becket for extra purchase. TECHNICAL INFORMATION SPECIFICATION DETAILS Specification Details A (mm) 116.0 B (mm) 19.0 APPLICATIONS Vang, cunningham and trapeze retriever systems on dinghies. Leech line tackles, bunk adjusters etc on larger yachts MATERIALS U.V. stabilised Acetal sheaves. Grade 316 stainless steel cheeks