SKU: Proto J138WP
UPC: 662679107208
Weight: 2.9 lbs

Proto J138WP 3/8" Drive Air Impact Wrench

List: $452.25 $245.25 + Free Shipping!

You Save 46% ($207)

In Stock



• Titanium housing helps to reduce weight, improve balance and ensure maximum durability.

• Ergonomically designed handle-forward design improves balance and control, helping to reduce operator fatigue.

• Robust twin hammer mechanism for efficient energy transfer and long service life.

• Ambidextrous forward/reverse lever can be actuated with a single hand, even with gloves on.

• Three position power regulator for forward rotation. Reverse rotation operates at maximum for highest breakaway torque.

• Feather throttle for maximum operator control.

• Side-fed, 6-vane air motor for maximum power and efficiency.

• Machined motor housing reduces number of parts, creating precision alignment, reducing wear, increasing efficiency and simplifying maintenance.

• 360º Rotating Air Inlet Fitting.

• Titanium Exhaust Deflector and Muffler.

• Integrated Tethering Capability in all Proto® Air Tools.

• Optional ProtoID™Air Fitting for RFID Tracking Capability.


• Drive Size [in]: 3/8

• Breakaway Torque (Ft Lbs): 525

• Blow Rate Forward (BPM): 1750

• Average Air Consumption [cfm]: 4.4

• Free Speed [RPMs]: 10500

• Overall Length [in]: 6


WARNING Cancer and/or Reproductive Harm –