US
Crescent

Crescent Wiss M1R MetalMaster Aviation Snips

  • Blade Length: 4 inches
  • Blade Edge: Serrated
  • Product Style: Left/Straight
  • Material Type: Molybdenum Blades

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

Our verdict

A compact molybdenum cutter well suited to detail work, though the bare metal handle rules it out for any work near live electrical wiring.

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ASIN: B00002N5KOModel: M1RCategory: Scissors & Shears

Overview

The M1R is a compact 4 inch cutting tool from Crescent, built with molybdenum jaws and a metal handle, weighing 0.83 pounds in total. Its small size sets it apart from the larger cutters in Crescent's lineup.

At only 4 inches long this reads as a mini diagonal cutter meant for tight spaces rather than heavy gauge wire, and the metal, not dipped, handle means there is no built in insulation, so it should not be used near live electrical work.

  • 4 inch length
  • Molybdenum material
  • Metal handle
  • 0.83 pound weight

Who it's for

Fits electronics, jewelry or craft work where a small cutter reaches into confined spots. Not the choice for anyone needing insulated handles for electrical work or cutting heavier gauge wire.

Pros and cons

Pros
  • Compact 4 inch size for tight spaces
  • Molybdenum jaws for edge retention
Cons
  • Bare metal handle, no insulation for electrical work
  • Small size limits leverage on thicker wire

Performance notes

Molybdenum jaws hold an edge well for repeated light cutting, and the 4 inch size favors precision over leverage, so it will handle fine wire more comfortably than thick gauge material.

Specifications

BrandCrescent
ModelM1R
Dimensions & fit
Blade Length4 incheshigher than 76% of 26 scissors & shears
Item Weight0.83 poundshigher than 53% of 84 scissors & shears
Item Dimensions L X W1.1 × 3.6 inches
Hand OrientationAmbidextrous
Construction & materials
Material TypeMolybdenum Blades
Handle MaterialMetal
ColorWhite
Finish TypesBrushed
Blade MaterialMolybdenum
Included components
Unit Count1
Included Components(1) "9-3/4" Compound Action Straight And Left Aviation Snips"
Warranty & support
Manufacturer Warranty DescriptionStandard Limited Lifetime
Other details
Blade EdgeSerrated
Product StyleLeft/Straight
Number Of Items1
Item Type NameSnip

Closest rivals on specs

GARTOL HD-3101 Miter Shears
  • Item Weight 0.83 vs 0.73 pounds (+14%)
Fiskars Pro PowerArc Shop Shears 10"
  • Item Weight 0.83 vs 0.5 pounds (+66%)
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Frequently asked questions

How long is the Crescent M1R?

4 inches overall.

Is the handle insulated?

No, it is listed as a metal handle, not dipped or insulated.

What is the jaw material?

Molybdenum.