Check the listing for details. Astro Pneumatic 658 Stubby Air Slide Hammer. Condition: New. Listed at 200.47 USD. The markets 1st true air slide hammer puller, delivering up to 185 hammer blows per minute with the pull of a triggerCompares to a 4.5-6lb manual slide hammer depending on air supplyCommon 5/8"-18 threads for use on the majority of slide hammer attachments to pull everything from pilot bearings to hubs and collision repairBoth the extension rod and spindle threads match for use with either more reach or as a stubby slide hammer, working where traditional tools do not have enough clearance toLever throttle allows for adjustment of force and speed, allowing you to stay focused on the workpiece and dial in the required power while the tool does the workPower scales with inlet pressure and volume, 80-120psi recommended.SPECIFICATIONS:BPM: 185Recommended Running Pressure: 90PSIAverage Air Consumption: 3.0 CFMSpindle: 5/8" X 18Extension Rod: 5/8" X 18"