ANGLED GRINDER CUT OFF TOOL - MSI PRO Heavy Duty 15,000 RPM - 8.25"L - 3" wheel HEAVY DUTY Lightweight housing to reduce operator fatique perfect for grinding, metal cutting, polishing. POWERFUL LOW VIBRATION MOTOR for maximum performance Equipped with a governor to prevent over-speeding NPT: 1/4"  Air Hose: 3/8"  PSI: 90  CFM: 4