9-Piece Electrician's Hole Saw Kit

Features: * Up to 50% longer life*: proprietary toothform cuts common construction materials efficiently. * Up to 50% fewer breaks**: patent pending step bit design for less hole saw grabbing resulting in fewer pilot bit breaks. * Reduces need for pre-drilling: drill holes in metal without slamming due to patent pending design. * Universal compatibility***: pilot drill fits both quick change and traditional non-quick change arbors. * No adapters required****: hole saw fits both quick change and traditional non-quick change arbors.