Product Description Ronstan 100mm Stand-Up Core BlockFull articulated stand-upStand-up models have a linkage that provides full rotation and articulation. A high strength precision cast padeye minimized the footprint and a dedicated rubber boot ensure the block is held upright when not loaded.Features: High dynamic and static load capacity High load bearing system Ball bearings to counteract side thrust loads Class leading performance and sleek, contemporary styling Durable aluminum alloy cheek plates Central hub hole can be used as a becket take-off or tie-up point Also available in Series 45, 60 & 75 Swiveling head post for full 3-axis articulation Strong precision cast padeye base Resilient rubber stand-up boot prevents clatter & block falling down when not loaded Mount with 4 x 8mm (5/16") fasteners (not supplied)Specifications: Sheave Ø - 4 in. (100mm) Max. Rope Ø - 3/4 in. (18mm) Max. Cable Ø - in (mm) Pin Ø - in. (mm) M.W.L. - 6600 lb. (3000 kg) B. L. - 13200 lb. (6000 kg) Weight - 40.2 oz. (1138 g)Applications: Ideal for mainsheet, spinnaker sheet, vang, halyard and backstay applications on boats to 16m (53ft). General applications on larger yachts.Materials: Bearings: High compression strength, self-lubricating acetal Head post: Grade 2205 stainless steel Shackles: Grade 17-4PH stainless steel Padeye: Grade 15-5PH stainless steel Other fixtures: Grade 316 stainless steel
