Bosch Drill Bit HCD2081 SDS Plus Speed Clean 1 2 x 9 Inch Hollow Concrete Masonry (Hollow Dust Extraction Core 4.25 In Usable Adhesive Anchor Boring) Rabbeting Bit Fawn's Foot Slip Control: Flared Fawn's Foot Slip Control: Flared ergonomic base profile combined with textured rubberized surface skins anchors the grip to block accidental drops The GearWrench 86450 11 Piece 120XP Universal Spline XL Ratcheting Wrench Set is an industrial hand tool system engineered for high torque fastening across tight engine bays and restricted equipment clearances Solid Carbide Two Cutter Head: Thermally brazed carbide cutting tip maintains hole diameter accuracy and provides service life comparable to solid drill bits 95 mm) Total Overall Length 9