Feature:1. Powerful Vibration: The pneumatic bolt breaker provides vibration to aid in breaking up stubborn or frozen fasteners or bolts nuts, making it a versatile tool for various applications.2. Compatibility: Each bolt breaker is equipped with a 1/2 inch or 3/8 inch square drive on one end, allowing for seamless integration with impact sockets and providing ease of use for different tasks.3. Wide Range of Applications: The built in hex (19mm / 3/4 inch) on the tool shaft works in conjunction with open end wrenches, making it ideal for tasks such as bearing disassembly and caliper removal.4. Convenient Adapter Set: The pneumatic bolt breaker, along with the 37315 3/8in bolt breaker and 37316 1/2in bolt breaker, offers compatibility and convenience for a wide range of pneumatic bolt breaking applications.5. Rugged Construction: Pneumatic air hammer bit is made of premium and high strength metal material, impact resistant, wearproof, sturdy, can be used for a long time.Specification:Item Type: Pneumatic Bolt BreakerMaterial: Metal OE: 37315, 37316 Application: For bearing removal, fastener removal, and caliper removal. Suitable: For 32029 air hammer socket, for impact sockets, can be used with open end wrenches. Standard .401 Turn Type for Parker Shanks for air tools..Package List:2 x Pneumatic Bolt BreakerNote:Please double check the part number of your item, matching information is for reference only.