1/4" NPT 5.5cfm .90 HP 22000rpm Extended Length Straight Die Grinder | Fastenal
Amazon.com: Ingersoll Rand 3101G Air Die Grinder Edge Series – 1/4", Black & 308B Air Straight Die Grinder, 1/4", 25,000 RPM, 0.33 HP, Ball Bearing Construction, Gray : Tools & Home Improvement