2-in-1 Penta/Hex Flip Socket With Adapter, Easy-To-Use Flip Feature Allows For Quick Changes Between Penta And Hex Socket Sizes, Includes Two Of The Most Common Socket Sizes (13/16-Inch Penta And 3/4-Inch Hex) In One Tool, 5-Point, 13/16-Inch Penta Socket Works With Security Bolts Commonly Used In Underground Distribution Work, 6-Point, 3/4-Inch Hex Socket Is Easier To Position, Deep Well Socket With 1/2-Inch Drive Works Great For Hardware Installation And Removal, 1/2 to 1/2-Inch Square Adapter Has A Black Manganese Phosphate Finish For Rust Resistance, Includes A Ball Detent That Helps, Prevent Unintentional Separation Of Adapter And Socket, Socket Engineered For Use With Impact Drivers Including Klein's 1/2-Inch Compact Impact Wrench (Cat. Nos. BAT20CW, BAT20CW1), Color Coded To Easily Identify The Size Of The Socket