Product Name: Hole Saw Material: HSS, Titanium Plated Cutting Diameter: 23mm / 0.91 inch Hole Saw Depth: 14mm / 0.55 inch Shank Diameter: 8mm / 0.3 inch Twist Bit Diameter: 5mm / 0.2 inch Total Length: 72mm / 2.83 inch Package Content: 1 x Hole Saw, 1 x Hex Wrench Weight: 70g; Main Color: Gold Tone, Silver Tone