Keysert UNC Carbon Steel Thinwall Range Kit (76003)

Keysert UNC Carbon Steel Thinwall Range Kit. Kit contains 1/4-20 12pcs, 5/16-18 12pcs, 3/8-16 12pcs, 1/2-13 6pcs plus Keysert Tools 1/4-20, 5/16-18, 3/8-16 and 1/2-13.