Ingersoll Rand 301BK Standard-Duty Multi-Purpose Air Angle Die Grinder Kit - Part of an expanded line of economical, standard duty grinders, the IRC-301 packs valuable features into a compact package. Use it for grinding, edge-breaking, de-burring, porting, and polishing. Wherever space is tight, its right-angle configuration provides easy access. • Compact, lightweight, easy to handle • Self-locking throttle • Ball bearing construction for durability • Precision machined gearing delivers maximum power transfer. Kit includes 10 mounted grinding tips.