130 mm Roller Bearing Block - Single, Stand Up Lead Block adapter PBB80 replaces the

Block adapter PBB80 replaces the shackle of a PBB80 single block to fit deck rings and T-bases of other mast manufacturers

Important - this product is designed and dimensioned primary for gennakers/asymmetric spinnakers and not for Code Zero sails

The design includes a chrome plated aluminium bronze body and high-grade marine stainless steel terminals to ensure maximum resistance to corrosion and thread seizing

The 50 mm Triple Plain Bearing Block is designed for medium-sized boats for numerous applications

The inner end is a regular spinnaker pole fitting and the outer end is an open jaw with a sheave

130 mm Roller Bearing Block - Single, Stand Up Lead Block adapter PBB80 replaces theThe RBB130 Single Stand Up Block is designed for heavy duty, high load applications. Featuring a 130 mm sheave, the block is made from machined black anodized aluminium with Torlon roller bearings for maximum performance under load. The stainless stand up base and spring ensures optimal positioning and polymer thrust bearings provide resistance to side loads. A polymer washer insulates stainless steel from aluminium to prevent corrosion. Ideal for