🔧 Heavy Duty Pneumatic Bolt Breaker SetThis 2PCS air hammer bolt breaker kit includes both 3/8" and 1/2" square drive adapters for removing frozen, rusted, and seized fasteners with less effort. The standard .401 turn-type shank fits most pneumatic air hammers and air guns. Made from hardened alloy steel for high durability and impact resistance under heavy-duty use. Built-in 19mm (3/4") hex shaft allows extra leverage with a wrench when handling stubborn bolts. Ideal for brake calipers, wheel bearings, suspension bushings, leaf spring shackles, motorcycle engines, automotive repair, industrial maintenance, and agricultural equipment.📦 Package Includes1 × 3/8" Bolt Breaker Adapter1 × 1/2" Bolt Breaker Adapter.