Ingersoll-Rand Right Angle Die Grinder, 1/4 in NPT Female Air Inlet, 1/4 in Collet, Heavy Duty, 12,000 RPM, 0.4 hp 312AC4A | Zoro
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Ingersoll Rand 1/4 in. Angle Die Grinder 3101G - The Home Depot
Amazon.com: Ingersoll Rand 5102MAX Air Die Grinder – Right Angle, Ergonomic Grip, 0.4 HP and 20,000 RPM Motor, Lightweight Tool, Spindle Lock, Grey : Tools & Home Improvement