Product Description Ronstan 100mm Double Core BlockFeatures: 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 aluminium alloy cheek plates Central hub hole can be used as a becket take-off or tie-up point Also available in Series 45, 60 & 75Specifications: Sheave Ø - 4 in. (100mm) Max. Rope Ø - 3/4 in. (18mm) Pin Ø - 3/8 in. (10mm) M.W.L. - 7150 lb. (3250 kg) B. L. - 16500 lb. (7500 kg) Weight - 49.5 oz. (1400 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
