Capri Tools 1/2 in. Drive 100 ft. lbs. Torque Limiting Extension Bar

1/2 in. Drive Torque Limiting Extension

The Capri Tools CP30083-BAR100 is a 1/2 in. drive torque limiting extension bar rated at 100 ft. lbs. (135 Nm). It is designed for use with an impact wrench to deliver consistent torque accuracy on every fastener. Premium Chrome Molybdenum steel construction provides durability for professional automotive work. The 8 in. length includes a colour coded ring for quick identification.

Practical Limits of Impact Wrench Torque Control

An impact wrench alone cannot guarantee repeatable torque output, so this extension bar acts as a mechanical limiter to prevent overtightening. It absorbs excess energy once the 100 ft. lbs. threshold is reached, protecting wheel studs and other critical fasteners. The tool is calibrated for a single torque value and does not offer adjustable settings. Users must verify the required specification for each application before use.

Replaces Guesswork and Uncontrolled Impact

This bar replaces the practice of relying on impact wrench feel or unverified torque sticks that may exceed the target value. The jump is worth it when consistent 100 ft. lbs. torque is specified, such as on many lug nut applications, and when repeatable accuracy reduces comebacks. It does not suit jobs requiring different torque values or where a calibrated torque wrench is mandated.