ABN Socket Reducer Adapters Impact Cheater 4pc Set &ndash; 3/8 to 1/2 Adapter, 1/4 to 3/8 Adapter, 1/2x3/8 & 3/8x1/4 Reducers MAXIMUM TORQUE: The ABN Socket Reducer Adapters Impact Cheater 4pc Set includes 4 parts that lock onto a socket and drive tang for maximum torque power SECURE GRIP: Spring loaded detent balls keep your sockets in place VARIOUS APPLICATIONS: Universal fit that is great for when you need both 3/8-inch and 1/4-inch drives at the same time BUILT TO LAST: Constructed from high-strength chrome-vanadium steel (CR-V) for strength and longevity that resists rust and corrosion PACKAGE CONTENTS: 4-piece package includes (2) adapters: (1) 3/8-Inch female to 1/2-Inch male, (1) 1/4-Inch female to 3/8-Inch male; and (2) reducers: (1) 1/2-Inch female x 3/8 Inch male, (1) 3/8-Inch female x 1/4-Inch male (2) adapters <ul class="a-unordered-list a-vertical"> 3/8-inch female to 1/2-inch male 1/4-inch to 3/8-inch male (2) reducers <ul class="a-unordered-list a-vertical"> 1/2-inch female to 3/8-inch male 3/8-inch female to 1/4-inch male