Shake 'n Break Pneumatic Bolt Breaker Set – 1/2" & 3/8" Heavy
Shake ‘n Break Pneumatic Bolt Breaker Set – 1/2″ & 3/8″ Heavy. Shake ‘n Break Pneumatic Bolt Breaker Set – 1/2″ & 3/8″ Heavy-Duty Tools. Shake ‘n Break Pneumatic Bolt Breaker Set – Heavy-Duty Tools. Model Numbers: 32029 Pneumatic Bolt Breaker Set, 37315 (3/8″) & 37316 (1/2″).