The RYOBI 26-Piece 1/4 in. Drive Ratchet and Socket Set has a 90 tooth ratchet, providing a 4 degree arc swing for 20% more efficiency in tight spaces. The large size markings allow for quick and easy identification, saving time on the project. 6 point sockets provide maximum torque without rounding fasteners. The quick release ratchet allows for efficient socket changes and the chrome finish resists corrosion. Keep everything organized with the included storage case. Included is (1) 1/4 in. Drive Ratchet and 5/32 in., 3/16 in., 7/32 in., 1/4 in., 9/32 in., 5/16 in., 11/32 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 4mm,4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm Sockets, and Case.