Sold in complete sets of 4 holders. These tool holders come with all necessary socket keys and wrenches. They are superbly crafted and are recommended for lathes of 12" to 18" swing and are usually used in rocker-type tool posts.
Tool bit holder size: 6: long x 7/16" wide x 15/16" high accepts tool bits 5/16" to 3/8" Parting-off holder size: 6" long x 7/16" wide x 1 1/8" high