Detailed description: Product Name: Electric Drill Rod Auxiliary Tool Material: CNC aluminum alloy/anodized dealing Color: black red Size: 85×50×80mm Blade material: carbide Blade specification: 15×15×2.5mm 30R150 Round hole specifications: Φ5/16 / Φ3/8 / Φ7/16 / Φ1/2 / Φ9/16 / Φ5/8 / Φ11/16 / Φ3/4 inch Scope of application: cork Applicable scenarios: woodworking Name: Round Nail Head Material: Stainless steel Color: silver Size: 16×16×42mm Self-tapping end: 4mm bottom hole in wood Hexagonal end: The electric drill needs to be able to hold more than 10mm Style (optional): 6Pcs/Set, 8 Pcs/Set Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. Parts List: 1 × Dowel Maker Jig 1 × Blade Wrench (T20) 1 × Adjustment Wrench (5mm) 3 × Fixing Screws OR 1 × Dowel Maker Jig 1 × Blade Wrench (T20) 1 × Adjustment Wrench (5mm) 3 × Fixing Screws 1 × Tri-Point Drill 1 × Round Nail Head