Model: MP21-25 Great for making eyes on animals, birds, and human sculptures e.g. bears, owls, humans Fish, snake, alligator & crocodile scales, wavy patterns Excellent for texturing designs on woodturnings, bowls, platters, spoons etc. Burning after texturing will further enhance your work Depending on the pressure applied, these accessories are designed to naturally leave black circular rings as they burn wood Adds a phenomenal new dimension to woodturnings and woodcarvings RECOMMENDED FOR POWER TOOLS AS FOLLOWS: 1/8" Shank - small hand piece grinders 1/4" Shank - Die & Straight grinders NOTE: Do not use any of these accessories on rotary tool handpieces or air/electric grinders with a chuck. Use only with collet tightening tools. The collet’s gripping design allows our accessories to spin straight at high speeds, without wobbling, which is possible with chucked power units. Consisting of: 5 - 1/4” Shank from 3/8” to 1” 3 - 1/8” Shank from 3/16” to 3/8”