45-piece set 1/4" and 3/8" dual-drive ratchet with 72 gear teeth for speed and durability 1/4" and 3/8" drive SAE and metric sockets sized 5/32" to 1" and 4mm to 17mm Stubby precision wrench has 1" rule on head for precision adjustments High-torque ratcheting screwdriver includes 5/32", 3/16" and 1/4" slotted, #1, #2 and #3 Phillips, T-15 and T-20 star and 1/8" and 1/4" hex bits Comfortable rubber cushion grip handles Chrome vanadium steel construction Includes adapters and extension Carrying case keeps tools together for easy, convenient use