Lyman Pro Drive Torque Wrench 10 - 80 lbs Orange/Black. The Lyman Torque Wrench will allow you to safely and correctly attach scope bases scope rings action screws and other fasteners to firearms. Correct screw torque prevents damage to screw threads screw heads threaded surfaces and optics. Consistent screw torque will also help get the best accuracy from your firearm. Specifications for Lyman Pro Drive Torque Wrench: Manufacturer: Lyman Color: Orange/Black Package Contents: Lyman Pro Drive Torque Wrench Lyman 7031300: Pro Drive Torque Wrench 10 - 80 lbs Orange/Black