Uxcell Metal Working Drilling Hole Saw Cutter, 18mm Cutting Diameter: 18mm/0.709''; Shank Width: 7mm/0.276'' Hole Saw Depth: 13mm/0.512''; Twist Bit Diameter: 5mm/0.197'' Total Length: 64mm/2.52'' Material: Metal; Color:	Gray Net Weight: 35g; Package Content:	1 x Hole Saw