FindBuyTool extra long Cone Radius End Carbide rotary burr makes deburring, porting, reaming jobs simpler.Extended long shank design enables this die grinder bit easily reaches hard-to-reach areas when processing steel, cast iron, stainless steel, or nickel-based alloys. Technical information Head Dia. 3/8 Head Length 1 Shank Dia. 1/4 OAL 4-1/3 Ideal HRC 54< Cut Double Cut Head Material Tungsten Carbide Shank Material Alloy Steel Machine Die Grinders Pneumatic Rotary Tools High Speed Engravers Application Steel Cast Iron Stainless Steel (INOX) Nickel-Based Alloys Titanium Alloys SHIPPING DIAMETER UNIT Pcs Package in Plastic BoxNet Weight 34.8Package Size 114 x 13 x 13mm