Back-Up Spanner Product Type Back-Up Spanner Compatible Tool Series Not Applicable Overall Length 9 1/2 in Socket Center to End of Arm Length Not Applicable Minimum Hex Size 3 11/32 in Maximum Hex Size 3 35/64 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 in