Removes up to 200 sq. ft. per hour of 4" ceramic tile set in standard thin-set Provides 2,500 hits per minute ALR-E Ergonomic design lets operator stand upright eliminating backaches High-strength tubular handle and soft foam hand grips for operator comfort Quick-change, hardened steel tool chuck accepts dozens of accessories Requires only 6-8 CFM at 80-90 PSI