uxcell Hex Wrench 14mm Sharp Twist Drill Bit Hole Saw Set Product Name: Hole Saw Set Material: Metal. Color: Black, Silver Tone Total Length(installed): ~70mm / 2.75" Shank Diameter: 7mm/0.28". Bit Diameter: 5mm / 0.2". Hole Diameter: 14mm / 0.55" Weight: ~38g. Package Content: 1 x Twist Drill Bit Hole Saw, 1 x Hex Wrench