Ideal® Electrician's Step Bit Kit, Electrician's Step Bit Kit Item, Includes: Four Step Bits (35-511, 35-513, 35-515, and 35-517), Number of Hole Sizes: 13, 11, 16, 10, 4 Piece, 1/4" X 3/8" dia. Shank Size, Size: 1/8 to 1/2" Bit dia. (35-511), 1/4 to 1-3/8" Bit dia. (35-517), 1/4 to 7/8" Bit dia. (35-513), 1/4 to 1-1/8" Bit dia. (35-515), 1/8" (35-511), 1/16" (35-513), 1/16" (35-515), 1/16 to 1/4" (35-517) Step Thickness
- Durable blow molded case securely holds and protects bits
- Kit provides a solution for every electrical hole size between 1/8" and 1-3/8"
- Split point tip that lasts longer and starts faster than competition