Hex Head Multi-Spline Screw Extractor - 7/32" Cylinder Bore Gauges When measuring brake drums only

When measuring brake drums only

Magnet firmly holds the spark plug for easy installation and removal avoiding spark plug

The design drives the side of the fastener instead of the corner

15 gauge seamless nylon shell

Hex Head Multi-Spline Screw Extractor - 7/32" Cylinder Bore Gauges When measuring brake drums onlyHex Head Multi Spline Screw Extractor 7 32" Features and Benefits: Designed to remove broken studs, bolts, socket screws and fittings for high torque applications Aggressive left hand spiral design for extra gripping power Hex head size: 1 2" Bolt diameter: 3 8" Recommended drill bit diameter: 7 32" Low profile enables use in confined areas Provide most torque of internal extractors Engages fastener without a deep hole