·Material:50BV30; 

·3/8" Drive,12 Point; 

·Knurled Ring; 

·Surface Finish:Mirror chromed; 

·Size:1/4", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16" and 7/8".