SK 40165 5 Piece 2-Inch, 3-Inch, 5-Inch, 10-Inch and 15-Inch 1/2-Inch Drive Extension Set 5-piece 1/2-inch drive extension set provides improved access to hard-to-reach areas Patented SuperKrome finish for durability and maximum corrosion resistance Ball detent feature fastens the socket without slippage Includes 2-, 3-, 5-, 10-, and 15-inch drives Made in the U.S.A.