Precision machined openings for a perfect fit with nuts or bolts

• SAE combination Non-Sparking 12-point Wrench
• Oval handle for a more comfortable grip
• Super drive box-end design
• Bronze-Aluminum Alloy
• Tools recommended for 1, 2, 21 or 22 Ex zones
• Opening size: 1-1/8”
• Total length: 15-15/32"
• Outside diameter: open end: 2-17/64”, box end: 1-45/64”.