Set contains ten (10) of the most popular fractional and metric impact socket sizes for truck wheel fasteners. 6-Point sizes 1-1/16'', 1-1/8'' and 1-1/4'' thin-wall deep; 1-1/2'' deep budd; 33mm, 35mm and 41mm deep; 4-Point sizes 13/16'', 17mm and 21mm square.