Popular Mechanics 6 In 1 Interchangeable Screwdriver Set Black Tri-Oval Handle
The set includes two screwdriver bits: a #1 (3/16") and a #2 (1/4"), as well as a shank that can be used as a 1/4" and 5/16" nut driver. - Item Type: Interchangeable Screwdriver Set. - Shank: Can be used as 1/4" and 5/16" nut driver.