Features PREMIUM MATERIAL: The tool is made of carbide blades, incisive and durable, slick chamfering, large discharge holes provide cleaner and smoother cut HIGH EFFICIENCY: High strength, high hardness deburring external chamfering tools can easily shave the outer edges of screws, tubes or bars to remove burrs. APPLICABLE MATERIALS: Deburring chamfer tool is suitable for hardened steel, mild steel, copper, brass, wood, fiberglass and hard plastics. Can be used on certain stainless steel screws. WIDELY USED: Deburring external chamfer tool is suitable for all kinds of chuck electric drills, with or without threads can be polished. Suitable for hand drills, cordless drills. FINE CRAFTSMANSHIP: Metal deburring external chamfer tool with fine workmanship, CNC fine machining, improved rust resistance and service life, stable performance. Specification: Item Type: Deburring External Chamfer Tool Material: Alloy Steel, Cemented Carbide Internal Caliber Range: Approx. 5-25mm/3/16 Inch‑1 Inch Shank Diameter: 1/4 Inch Shank Match: Suitable for All Kinds of Chuck Electric Drill Characteristics: Remove Burrs Without Hurting Your Hands Advantage: Grinding with or Without Threads Package List: 1 x Deburring External Chamfer Tool    Package List 1 x Deburring External Chamfer Tool