Our 1/4 Inch Deburring External Chamfer Tool easily attaches to any electric drill to help you repair or smooth out damaged bolts and tighten nuts all by yourself while effectively helping you save precious time and money. Shear material layer by layer quickly, neatly and safely with the Deburring External Chamfer Tool. Now, you won’t have to call anyone for help when something needs to be repaired around the house. With the Deburring External Chamfer Tool in your toolbox, you can be your home’s very own DIY repair king! Why You'll Love It Made of strong and durable stainless steel Can be used on plastic, PVC, hardened steel, brass, aluminum, wood, mild steel, fiberglass, copper and stainless steel, among many others Quickly attaches to any hand drill (1/4" shank) Easy to use, efficient and effective Features Material: Stainless steel Shank: Hex, Triangle Use it on plastic, PVC, hardened steel, brass, aluminum, wood, mild steel, fiberglass, copper and stainless steel Hand-drill compatible (1/4" shank) Easy to use