J138WP-M
3/8 in. Drive Mini Pistol Grip Impact Wrench
PROTO J138WP-M compact pneumatic impact wrench, grey and black, with side accessory, right side view, on white background.
PROTO J138WP-M gray and black air impact wrench, angled handheld view, orange accent, visible textured grip.
Close-up of the handle and control dial on a PROTO power tool, showing textured grip and numbered adjustment settings.
J138WP-M

3/8 in. Drive Mini Pistol Grip Impact Wrench

  • Rubber bumpers for durability
  • Variable speed trigger for optimal speed regulation
  • Easy-to-use one-hand forward/reverse switch with integrated three position regulator
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Additional Features

  • Comfortable rubber injected overlay grip is resistant to oils and acids
SKU Product Name Drive Size [in] Breakaway Torque [ft-lbs] Air Inlet Size [in] Blows per Minute (BPM) No Load Speed [RPM] Overall Length [in] Product Weight [lbs] Purchase
J138WP-M 3/8 in. Drive Mini Pistol Grip Impact Wrench 3/8 445 1/4 1350 6000 4.4 2.9
J150WP-M 1/2 in. Drive Mini Pistol Grip Impact Wrench 1/2 635 1/4 1500 10000 4.4 2.9

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