Back-Up Spanner Product Type Back-Up Spanner Compatible Tool Series Not Applicable Overall Length 6 1/2 in Socket Center to End of Arm Length Not Applicable Minimum Hex Size 2 3/16 in Maximum Hex Size 2 3/8 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 3/4 in