•Mayhew Tools 3 PC Bolt Breaker Set are standard .401 Turn Type Parker Shanks and attach to an air hammer to provide vibration while removing stubborn / frozen fasteners or TORX® bolts / nuts
•The other end of each bolt breaker has either a 1/2-inch, 3/8-inch or 3/4-inch square drive to be used with impact sockets
• Built in hex (19 millimeters- 3/4-inch) on the shaft of the tool is used in conjunction with and open-end wrench when loosening a stubborn fasterner
• Applications include bearing removal and GM caliper removal
•Black oxide finish for additional rust protection
•Made in the USA