Sealey Clip-On Angular Torque Gauge 1/2"Sq Drive Features: Steel dial and rotating index line allows operator to accurately tighten cylinder head bolts and other fixings to manufacturer's exact specifications. Long reach flexi arm with clip end provides extra stability and precision. Technical Details: • Designed to be used with 1/2"Sq drive breaker bar. • Steel dial and rotating index line allows operator to accurately tighten cylinder head bolts and other fixings to manufacturer's exact specifications. • Long reach flexi arm with clip end provides extra stability and precision. • Model No. VS431 • Model No. VS431 Additional Information: • Designed to be used with 1/2"Sq drive breaker bar. • Steel dial and rotating index line allows operator to accurately tighten cylinder head bolts and other fixings to manufacturer's exact specifications. • Long reach flexi arm with clip end provides extra stability and precision.