Check the listing for details. MAYHEW TOOLS: Shake-N-Break Set – air hammer bits – USA made bolt breaker tool. Condition: New. Listed at 56.00 USD. DESCRIPTION: Brand new Mayhew bolt breaker set Also know as “shake and break” or “shake n’ break” 3/8” and 1/2” square drive bits Designed to shock frozen fasteners instead of breaking the head off with torque Use with an air hammer that accepts standard 0.401” shank tool bits While vibrating the fastener with an air hammer, use a wrench to turn the bolt breaker tool Bolt breaker is designed to be used on rusted and stubborn fasteners Great for use GM brake calipers Built-in hex requires a 19mm or 3/4” wrench Professional quality tool made by Mayhew Tools Made in the USA Impact sockets are not held on the bolt breaker with a friction ball Not meant to replace impact wrenches Black oxide finish to resist rust Approximately 5” long SHIPPING INFORMATION: Most orders ship within one business day. PAYMENT INFORMATION: Please pay at the time of purchase. FEEDBACK: Positive feedback is given for a positive feedback received. [Item Code: GT1520]