Ingersoll-Rand Right Angle Die Grinder, 1/4 in NPT Female Air Inlet, 3 mm, 1/8 in Collet, Heavy Duty, 20,000 RPM 320AC4A | Zoro
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Ingersoll Rand Revolution Right Angle Die Grinder — 1/4In. Inlet, 15 CFM, 20,000 RPM @ 90 PSI, Model# 320AC4A | Northern Tool
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Ingersoll Rand Air Angle Die Grinder Kit 0.25 HP 21000 RPM 10 Mounted Grinding Tips 301BK from Ingersoll Rand - Acme Tools
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