1″ Drive Standard Fractional SAE Jumbo Impact Socket Set: 1″, 1-1/8″, 1-1/4″, & 1-3/8″. Socket Drive Type 6 Point. Socket Size: 1”, 1-1/8”, 1-1/4”, 1-3/8” SAE. Socket Depth Standard. 1” SAE with socket length 58mm and 20mm bolt Clearance.