Product Name: Hole Saw Material: HSS, Titanium Plated Cutting Diameter: 16mm / 0.63 inch Hole Saw Depth: 15mm / 0.6 inch Shank Diameter: 8mm / 0.3 inch Twist Bit Diameter: 5mm / 0.2 inch Total Length: 74mm / 2.91 inch Package Content: 1 x Hole Saw, 1 x Hex Wrench Weight: 55g; Main Color: Gold Tone, Silver Tone