Back-Up Spanner Product Type Back-Up Spanner Compatible Tool Series Not Applicable Overall Length 12 5/8 in Socket Center to End of Arm Length Not Applicable Minimum Hex Size 4 17/32 in Maximum Hex Size 4 23/32 in Number of Torque Wrench Connections Not Applicable Minimum Operating Pressure Not Applicable Maximum Operating Pressure Not Applicable Compatible Manufacturer Model Number Not Applicable Overall Width 1 1/4 in