• 12-point for use on driveline bolt heads for everything from domestic and import to heavy-duty applications • Astro's "torque-saver" extension design transmits more of your impact wrench to the fastener head allowing you to use smaller class impacts • Includes common driveline sizes 1/2", 3/8" 12, 13 & 18mm with a pinless design that allows a full 360° of freedom for the universal head to angle and rotate
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