Lenox - 1/4 in. Carbon Steel 10 in. L X 3/8 in. D Extension

Hardened Carbon Steel Material; 10 Inch Length Overall Size; Extension; Hole Saw Used on Item; Chuck Size 3/8 Inch; Use With 5L, 6L or 7L Arbor. Split point design for faster penetration and less walking. Enhanced tooth geometry, a thin kerf design, and an advanced coating contribute to the efficiency of the cutting process.