Alpha Tools PlasterKing Backing Pads The PlasterKing Backer Pads are specialty backing pads designed for pool plaster polishing applications using weed cutters. Features Specialty backer pads designed for pool plaster polishing M10-1.25 reverse thread connection for compatibility with most weed cutters Direct installation with no additional connectors required Helps prevent pad spin-off caused by mismatched thread types Hook and loop surface allows quick attachment and removal of polishing pads Suitable for both wet and dry polishing applications Hard type is ideal for general polishing across flat surfaces Soft type is designed for corners and curved areas Specifications Part No. PK710HH PK710SH Side 7" 6-1/2" Type Hard Soft Threads M10-1.25 Reverse Thread M10-1.25 Reverse Thread For Use With Weed Cutters Weed Cutters Bond Type Hook & Loop Hook & Loop