The 22 piece precision Multi bit screwdriver set includes 1 precision screwdriver, 1 extension bar, 20 precision bits and nickel-plated Cr-V bits. Sizes: slotted 1/16", 5/64", 3/32", 1/8", Phillips #000, #00, #0, #1, pozi-drive #000, #00, #0, #1, Star T6, T7, T8, T9, hex 1/16", 5/64", 3/32", 1/8". this screwdriver set will be great for repairs, installation set up and more.