High-Performance, Pneumatic Polisher - Higher Spindle Speed. No-Load RPM-5,500. 15ft. All-Weather Hoses with Flexibility Down To -40°F Or +140°F (-40°C Or +60°C). MAX RPM: 5,500. Recommended For: Wet Polishing, Drilling & Profiling. Thread: 5/8"-11. Color: Blue.