uxcell 19mm Metal Cutter Hole Saw Hex Wrench Twist Drill Sets Product Name : Hole Saw Set;Material : Metal Twist Drill Bit Diameter : 6mm;Shank Diameter : 7mm/0.28" Total Length : 70mm / 2.75";Hole Diameter : 19mm/0.75" Color : Black, Silver Tone;Weight : 48g Package Content : 1 x Twist Drill Hole Saw;1 x Hex Wrench : 1 x Hex Wrench