Feature●5" round sanding pad●Maximum speed 10, 000 RPM●5/16" - 24 threaded spindle●Professional manuals - jet manuals are professionally written by engineers for ease of use●Industry leading warranty - your jet equipped shop is backed by one of the industrys most comprehensive warrantiesDescription JSM-603.5P, 5" round sanding pad, 5" round sanding pad maximum speed 10, 000 RPM 5/16" - 24 threaded Spindle.