SPEEDAIRE Air Hammer: 0.401 in Shank Size, 2 5/8 in Stroke Lg, 3,200 bpm Blows per Minute, Round - 21AC14|21AC14 - Grainger
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Ingersoll-Rand 115 Standard Duty 5,000 Blows-Per-Minute Pneumatic Hammer, 115 - Tool Only - Power Hammer Drills - Amazon.com
INGERSOLL RAND Drill: 3/8 in Chuck Size, Gen Duty, 2,000 RPM Free Speed, 0.5 hp, Keyless, Reversible - 5KB24|7802RAKC - Grainger
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