Shake ‘n Break Pneumatic Bolt Breakers attach to an air hammer to provide vibration while removing stubborn/frozen fasteners or torx bolts/nuts. The other end of each Shake ‘n Break has either a 1/2-inch or 3/8-inch square drive to be used with impact sockets. The built-in hex (19 millimeter-3/4-inch) on the shaft of the tool is used in conjunction with an open-end wrench when loosening a stubborn fastener. Applications include bearing removal and GM caliper removal. Finished in black oxide for additional rust protection. Set Includes: 37316- 1/2" Shake 'n Break Pneumatic Bolt Breaker 37315- 3/8" Shake 'n Break Pneumatic Bolt Breaker.

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov