SDS Plus Shank Concrete Stone Wall Hole Saw Drill Bit 30mm w Wrench Product Name : Wall Hole Saw;Main Material : Metal;Color : Silver Tone Cutting Diameter : 30mm / 1.2";Total Length : 70mm / 2.8";Thread Diameter : 23mm / 0.9" Side Hole Diameter : 11mm / 0.4";Adapter Diameter : 22mm / 0.87" Adapter Length : 20cm / 8";Shank Diameter : 10mm / 0.4" Total Weight : 577g;Package Content : 1 x Wall Hole Saw1 xAdapter1 x Drill Bit1 x Wrench