Features and Benefits:

• Following sizes are included: deep-33 mm, 1 in., 1-3/16 in.,1-3/4 in.; thin wall deep-1-1/16 in., 1-1/8 in., 1-1/4 in.; square-13/16 in., 15/16 in.; controlled depth-1-1/2 in.
• Forged from the finest chrome-molybdenum alloy steel, the best choice for strength
• Radius corner design extends the life of fasteners, design drives the side of the fastener instead of the corner
• Design also avoids rounding of rusted or damaged fasteners

This is a Heavy Duty Wheel Impact Socket Set and has 10 pieces. Sockets are 1 in. drive. Comes in a blow molded box.