Proto Tool JSCVMT-22S 22 Pc Combo Metric Ratcheting Wrench Set 12 Point

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Item Number:PROJSCVMT-22S
Stock Number:JSCVMT-22S
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Proto Tool JSCVMT-22S 22 Pc Combo Metric Ratcheting Wrench Set 12 Point

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The JSCVMT-22S includes:

  • 1x 6mm Combination Wrench
  • 1x 8mm Combination Wrench
  • 1x 9mm Combination Wrench
  • 1x 10mm Combination Wrench
  • 1x 11mm Combination Wrench
  • 1x 12mm Combination Wrench
  • 1x 13mm Combination Wrench
  • 1x 14mm Combination Wrench
  • 1x 15mm Combination Wrench
  • 1x 16mm Combination Wrench
  • 1x 17mm Combination Wrench
  • 1x 18mm Combination Wrench
  • 1x 19mm Combination Wrench
  • 1x 21mm Combination Wrench
  • 1x 22mm Combination Wrench
  • 1x 24mm Combination Wrench
  • 1x 27mm Combination Wrench
  • 1x 30mm Combination Wrench
  • 1x 32mm Combination Wrench
  • 1x 34mm Combination Wrench
  • 1x 36mm Combination Wrench
  • 1x Tool Roll


  • Combination, Reversible
  • Box end is countersunk for easy application to the fastener
  • Spline design was created for use with speciality spline bolts which are used when weight and size of bolt heads must be minimized
  • The high contact surface area which is away from fastener points enables turning of highly rounded fasteners

Tech Specs:

  • SAE or Metric: Metric
  • Number of Pieces: 22
  • Number of Points: 12
  • Offset: 15 Degrees
  • Flexible Head: No
  • Min. Arc Swing: 5 Degrees
  • Number of Geared Teeth: 72
  • Material: Forged Steel

UPC - 662679113261

Proto Ratcheting FAQ

Q: First, I was wondering how much torque could be reliably applied to the ratcheting mechanism? As much as you could physically apply without the use of a cheater bar?
A: You're technically not supposed to use ratcheting anything to break nuts/bolts free, including standard ratchets. When I bought my ratcheting wrench set, it actually said NOT to use them to break anything free. I still do it, but that's what it said. These are very high quality wrenches so they should be able to handle any amount of torque you're able to apply without using a cheater bar/wrench-on-wrench, jumping/standing on it, or a hammer.

Q:What is covered under warranty?
A: Here's the link:
It's hard to say that if you were to blow up the ratcheting mechanism by overloading it, if they'd cover it or not since that's technically misuse. This is more a question for Proto directly on how flexible they are. You can email our rep Stu Feldman, he'd probably know:

Q: And lastly, I know the spline drive is good at loosening rounded fasteners, but is it as good as a 6 or 12 point at loosening a new fastener? These would be my primary wrenches if I bought them and wouldn't want to regret not getting a set of 12 point wrenches over these.
A: They're awesome. They put force on the more meaty areas of the nut/bolt head to reduce stripping. I replaced all my normal box wrenches with sets of spline wrenches, couldn't be happier. The only time I break out my old 12 points is for extremely odd 12 point (not triple-square Volkswagen/Audi bolts) that I occasionally run across on Jeeps, but you can grab a cheap Craftsmen set if the need ever arises.

1 Reviews
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100% Recommend this product (1 of 1 responses)
By Tim
Bonsall, California
December 25, 2014
Great Price
Good quality set. Wide range of sizes. Wish they where made in USA.
ProsHeavy duty Good quality Fast shipping
ConsNot made in USA

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