1 inch square drive imperial deep impact sockets, manufactured form hardy chrome molybdenum steel with a black oxide coating for improved durability. The laser etched sizing makes it easy and efficient to select the right tool for the fastener.

Features and Benefits
• Manufactured from high quality chrome molybdenum steel
• Black oxidised finish for improved tool lifespan
• Permanent laser etched markings for quick and easy tool selection
• Range of imperial sizes from 1.3/8-2.7/8 inches

Standards
• SAE
• USA Federal Standard GGG-W-660A