The 4-in-1 Lineman's Ratcheting Box Wrench features four 12-point socket sizes: 1/2'', 9/16'', 5/8'', and 3/4''. Switches on each end allow you to reverse the ratcheting action to suit your requirements on the job. Grooved handles ensure the wrench doesn't slip. The chrome plated finish keeps this tool free of corrosion.