Central Pneumatic Professional 3/8"
$19.99 @ Harbor Freight Tools

• Easy reversible action
• Ball type retainer for positive socket retention
• Rotation lock feature enables this unit to be used manually
• Chrome plated
• Front exhaust

Drive: 3/8''; Maximum torque: CW 48 ft. lbs./CCW 50 ft. lbs; Maximum speed: 130 RPM @ 90 PSI; Average air consumption: 2 CFM; Air inlet size: 1/4''--18 NPT; Overall length: 10-1/4''; Tool weight: 2.55 lbs.

When shopping around for an air ratchet I compared many top of the line brands.  @ $19.99, this has served me as well as any expensive air ratchet ever has.

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