Click to expand Tap to zoom Chain Knocker, Star Bits, 75mm Pipe, 3 Chain (#RS-3075-WS) by Renssi Save Liquid error (product-badge line 32): -Infinity% $68.68 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Renssi Chain Knocker with Star Bits For 12mm cable, 75mm pipe, with 3 chains