Right Angle Screwdriver, Ratcheting, 7 Hex Bits [PH1, PH2, PH3, 3/16", 1/4" T15 & T20] Designed to get into hard-to-reach areas--requires only 1'' of clearance! Convenient ratcheting mechanism with concave knurled thumb-wheel attached Ideal for Automotive Household and Any Narrow Space Dimensions: 1" Depth at Socket (without bit) x 4-3/8" Long x 5/8" Wide. (With bit D = 1-7/16") Includes 7 hex bits: PH1, PH2, PH3, 3/16", 1/4", T15, and T20