If you are looking for a tool used for shaping, casting, chamferring and reaming, shop for FindBuyTool SG-1 Point Tree Shape grinding burr.FindBuyTool durable and sharp grinder burrs has both aggrresive action and precise control, best for profiling and deburring. Technical information Head Dia. 1/4 Head Length 5/8 Shank Dia. 1/4 OAL 2 Ideal HRC 54< Cut Double Cut Head Material Tungsten Carbide Shank Material Tungsten Carbide Machine Die Grinders Pneumatic Rotary Tools High Speed Engravers Applications Steel Cast Iron Stainless Steel (INOX) Nickel-Based Alloys Titanium Alloys SHIPPING DIAMETER UNIT Pcs Package in Plastic Box Package Size 84 x 17 x 17mm