Die Grinder, Manufacturer suggested retail price. $211.44 Features and Benefits: Rugged, energy-efficient 1/2 hp motor Built-in regulator matches speed to job Rear exhaust directs air away from work Square handle design for positive grip Applications: cleaning tire moldings, porting and relieving engines, and general high-speed polishing and grinding Free speed: 24000 rpm Collet size in (mm): 1/4 (6) Weight lb. (kg): 1-1/4 (0.9 Air consumption CFM: 5 Air inlet NPTF in. 1/4 Min. hose size in (mm): 3/8 (10) Sound dba pressure 93 - 103 Manufacturer: Chicago Pneumatic 1 yr warranty on material and workmanship