Astro Tools 71021L 21mm (13/16") Lug Nut Drum Impact Torque Multiplying Thin Wall Socket, Regular, Black

The market's first thin wall deep torque multiplying socket, specifically developed to not lose any torque advantage over our short drum sockets, but allows for use on lug nuts in addition to stubborn applications like crank bolts Hollow drum design multiplies the torque of your ½” impact wrench greater than solid and flywheel style weighted sockets Upgrade your mid-size impact into a high torque, or take your high torque to levels not available in the power tool market with the simple attachment of a socket Works with both air and cordless ½” impact wrenches