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MTO

MTO 1/2-Inch Drive Deep Impact Socket 19mm

  • Material Type: Chrome Vanadium Steel
  • Finish Types: Black Phosphate Finish
  • Unit Count: 1
  • Number Of Pieces: 1

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A single 19mm deep wrench in chrome vanadium steel, a reasonable pick to round out an existing set at that specific size.

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ASIN: B0DMS2G5ZGModel: MTO-CR-V-DEEP-19mmCategory: Wrenches

Overview

Sized at 19mm and built from chrome vanadium steel, the MTO MTO-CR-V-DEEP-19mm is a single deep wrench rather than part of a set. The CR-V code in the model name spells out the material, and the deep designation points to a reach built for longer bolts.

Chrome vanadium is a common choice for hand tools because it resists wear and flexing better than plain carbon steel, and the deep designation in the name suggests a deep socket or wrench profile built to reach over long bolts or studs. Beyond size and the single piece count, no further dimensions are listed.

  • 19mm size
  • Chrome vanadium (CR-V) steel
  • Deep profile design
  • Sold as a single piece

Who it's for

Useful for anyone who needs to fill a single 19mm gap in an existing socket or wrench set rather than buy a full new set. Not a fit for someone who needs a complete range of sizes in one purchase.

Pros and cons

Pros
  • Chrome vanadium steel construction
  • Deep profile for reaching over long bolts
Cons
  • Sold as a single piece, not a set
  • Exact depth and length are not listed

Performance notes

Chrome vanadium steel is chosen in hand tools for its resistance to bending and wear under torque, which matters most when breaking loose a stuck 19mm fastener. The deep profile suggested by the name should let it reach over longer bolts or studs than a standard depth wrench, though exact depth is not listed.

Specifications

BrandMTO
ModelMTO-CR-V-DEEP-19mm
Construction & materials
Material TypeChrome Vanadium Steel
Finish TypesBlack Phosphate Finish
Compatibility & installation
Bit Compatibilities1/2" Drive
Included components
Unit Count1
Number Of Pieces1
Other details
Drive SystemSquare

Frequently asked questions

What size is this wrench?

19mm.

What material is it made from?

Chrome vanadium steel, indicated by the CR-V in the model name.

Does it come as part of a set?

No, it is sold as a single piece.