A professional profile view of the Crescent Wiss M1R MetalMaster aviation snips, featuring precision-cast serrated blades and ergonomic red non-slip handle grips designed for straight and left-curve cutting.
An instructional product graphic highlighting the key features of the 9-3/4 inch compound action snips, including the ergonomic single-handed latch operation and a superior blade design that prevents material tears at the end of cuts.
A perspective view of the Crescent Wiss aviation snips showcasing the high-strength molybdenum steel construction and the industrial spring-action return mechanism for effortless metal feeding.
A detailed macro shot of the M1R precision-ground serrated blades, illustrating the CNC-ground tooth pattern designed for maximum material control and cleaner edges on 18-gauge steel.
Close-up detail of the heavy-duty metal latch on the Crescent Wiss snips, demonstrating the ergonomic design that allows for easy, single-handed locking and unlocking by both left and right-handed users.
A comprehensive feature infographic for Crescent Wiss snips, noting a 10x cut life, 4x spring life, and 6x pivot bolt life, with a primary callout stating the tool is capable of cutting over 8 miles of steel.
A macro detail of the extended red non-slip handle grip, featuring the embossed Crescent Wiss logo and the textured material designed for superior comfort and control in professional environments.
An action shot of a tradesperson using the M1R aviation snips to cut sheet metal, highlighting the superior compound action design that requires 20% less force than traditional snips.
Close-up application photo showing the Crescent Wiss snips making a precise curved cut in corrugated metal, demonstrating the elite material control provided by the serrated cast blades.
A professional contractor using the 9-3/4 inch MetalMaster snips to cut a large sheet of metal, showcasing the tool's effectiveness in commercial HVAC and fabrication applications.
Crescent Wiss - Metal Aviation Snips promotional video
Crescent Wiss Snips promotional video
A professional profile view of the Crescent Wiss M1R MetalMaster aviation snips, featuring precision-cast serrated blades and ergonomic red non-slip handle grips designed for straight and left-curve cutting.
An instructional product graphic highlighting the key features of the 9-3/4 inch compound action snips, including the ergonomic single-handed latch operation and a superior blade design that prevents material tears at the end of cuts.
A perspective view of the Crescent Wiss aviation snips showcasing the high-strength molybdenum steel construction and the industrial spring-action return mechanism for effortless metal feeding.
A detailed macro shot of the M1R precision-ground serrated blades, illustrating the CNC-ground tooth pattern designed for maximum material control and cleaner edges on 18-gauge steel.
Close-up detail of the heavy-duty metal latch on the Crescent Wiss snips, demonstrating the ergonomic design that allows for easy, single-handed locking and unlocking by both left and right-handed users.
A comprehensive feature infographic for Crescent Wiss snips, noting a 10x cut life, 4x spring life, and 6x pivot bolt life, with a primary callout stating the tool is capable of cutting over 8 miles of steel.
A macro detail of the extended red non-slip handle grip, featuring the embossed Crescent Wiss logo and the textured material designed for superior comfort and control in professional environments.
An action shot of a tradesperson using the M1R aviation snips to cut sheet metal, highlighting the superior compound action design that requires 20% less force than traditional snips.
Close-up application photo showing the Crescent Wiss snips making a precise curved cut in corrugated metal, demonstrating the elite material control provided by the serrated cast blades.
A professional contractor using the 9-3/4 inch MetalMaster snips to cut a large sheet of metal, showcasing the tool's effectiveness in commercial HVAC and fabrication applications.
Crescent Wiss - Metal Aviation Snips promotional video
Crescent Wiss Snips promotional video
Crescent

Crescent Wiss Aviation Snips M1R 9 3/4 Inch MetalMaster Straight and Left Cut (18 Gauge Capacity Compound Action Molybdenum Blades Red Grips)

In stock
SKU: M1R
$16.99 USD

Description

Crescent Wiss Logo logout

Crescent Wiss M1R MetalMaster Straight and Left Cut Aviation Snips

The Crescent Wiss M1R MetalMaster is a 9-3/4-inch compound action aviation snip engineered to make straight cuts and tight left curves in sheet metal up to 18-gauge low-carbon cold-rolled steel. Precision-cast from high-strength molybdenum alloy steel with CNC-ground serrated blades, these snips hold material firmly to deliver clean edges without slip. The compound leverage mechanism reduces required hand cutting force by 20%, while a single-handed latch, spring-action feed, and extended red non-slip handle grips provide ergonomic control during HVAC ducting and roofing flashing installation.

Best Used For:

  • HVAC Sheet Metal Duct Fabrication: Cutting, trimming, and shaping galvanized steel ducting and fittings using straight and left-curved cuts.
  • Roofing Flashing & Drip Edge Installation: Slicing aluminum, copper, and 18-gauge steel flashing, valleys, and gutters on job sites.
  • General Metal Stud & Drywall Framing: Trimming steel framing studs, track profiles, and metal corner beads cleanly without deforming edges.

Key Performance & Safety Features

  • Precision Cast Molybdenum Blades: High-strength alloy steel blades with CNC-ground serrations grip sheet metal firmly to prevent slippage.
  • 20% Reduced Cutting Force: Compound leverage mechanism multiplies hand pressure to cut 18-gauge steel with less effort.
  • 500,000 Cut Life Rating: Engineered with a free-float pivot bolt system tested to achieve up to 10 times the operational lifespan of standard snips.
  • Single-Handed Latch Mechanism: Ergonomic ambidextrous latch allows fast locking and unlocking using one thumb for safety on ladders and scaffolding.
  • Red Color-Coded Grips: High-visibility red handle grips identify straight and left-cutting orientation immediately in tool bags.
  • Extended Non-Slip Cushion Handles: Textured ergonomic grips prevent hand slipping in wet or oily conditions and feature integrated hang holes.

What's Included

  • (1) Crescent Wiss M1R MetalMaster Compound Action Straight and Left Cut Aviation Snips

Technical Specifications

Brand Manufacturer Crescent® Wiss®
Model Part Number OEM SKU M1R
Overall Tool Length 9.75 inches (24.8 cm)
Blade Length Dimension 1-3/8 inches (1.38" / 3.5 cm)
Cutting Capacity (Cold-Rolled Steel) 18 Gauge Low Carbon Steel
Cutting Direction Orientation Straight and Left Curved Cuts
Blade Metallurgy Construction Precision High-Strength Cast Molybdenum Alloy Steel
Blade Edge Style CNC-Ground Serrated Edge
Handle Grip Material & Color Single-Material Non-Slip Textured Red Composite
Pivot Bolt Design Free-Float Pivot Bolt Assembly
Assembled Net Tool Weight 1.00 lb (0.45 kg)
Country of Manufacture United States of America (USA)
Global Trade Item Number GTIN 00037103580122

Pro-Tip: Avoid closing the blades completely past the tip on long continuous sheet metal cuts; keeping the cut stroke within two-thirds of the serrated blade length prevents material burrs and produces smooth, ripple-free edges.