Spindle Counter Balance: Provides reliability and reduces vibration levels to 1.8 m/sec2 Sander and Polisher Accessories: With hook and loop 1.25-inch round, 2-inch round, and triangular pad Internal Silencing System: Reduces sander noise level to 78 dBA; 13,000 RPM Spot Sander: Ergonomic handle for the user's ultimate comfort AIRCAT Line: The most significant advances in the performance of pneumatic power tools Compact size for tight areas Precision alloy steel gears for durability Very Quiet only 78 dBa Included with tool are 3 Pads - 2", 1.25" & Triangle For fine Sanding and Polishing