10.0MM DIA, 22.0MM LOC, 10.0MM Shank, 76MM OAL, 4 Flute, Tialn coated. LakeShore endmills are made from the highest quality micro grain carbide to deliver the performance of the big name endmills at a little guy price. 30 degree helix help maximize production in a wide range of materials. An excellent general purpose ballnose endmill made in the USA.