▪ Durable Hardened Steel Construction
▪ Fits All Hole Saws 1-1/4" And Larger
▪ Fits 3/8' And Larger Drill Chucks
▪ Designed For Cutting Abrasive Materials Such As Brick, Block, Cement Board, Fiberglass And Tile
▪ Tool-Free Operation
▪ Universal, Quick Change With All Brands Of Hole Saws
▪ No Adapters Required
▪ MFG #49-56-7250