Sockets made of hardened Cr-V alloy steel with satin chrome finish. Master set includes shallow and deep sockets in sizes 8mm through 19mm and 1/4’’ through 7/8’’, covering most small and medium size fasteners. 14’’ 90-Tooth 3/8’’ Dr. Heavy Duty Ratchet meets 200% of ANSI. Conveniently packed in EVA foam to add directly to your toolbox.