10 pieces of 1/4″ Drive 48mm Magnetic Socket in SAE sizes: 3/16″, 7/32″, 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 7/16″, 15/32″, 1/2″. DURABLE STRENGTH – Built to last with Cr-V and S2 steel for maximum shock resistance and hardness, this set features deep nut drivers, reinforced wall thickness, and manganese phosphate coating for superior durability.