The Sundisc 31097 SL-1 DC 1/4-inch x 3/4-inch x 1/4-inch Ball Nose Cone Bur is for light tasks as well as heavy tasks. The Sundisc 31097 Ball Nose Cone Bur has a 1/4-inch shank and a 1-3/16-inch head length. Used for general deburring and material removal, the Sundisc 31097 bur is the all around bur. Features: * Head diameter of 1/4-inch * Head length of 5/8-inch * Shank size of 1/4-inch What"s In The Box: * Sundisc 31097 SL-1 DC 1/4-inch x 3/4-inch x 1/4-inch Ball Nose Cone Bur