A professional product photograph of the Crescent Wiss WS4N 3-1/4 inch offset hand seamer featuring high-carbon steel jaws and ergonomic rawhide orange non-slip cushion grips for bending sheet metal.
A perspective studio shot of the Crescent Wiss offset hand seamer showcasing the 3.25-inch jaw width with integrated 1/4-inch depth markings for precision measurements during metal fabrication.
A professional retail packaging shot of the Crescent Wiss WS4N hand seamer showing the tool secured in its clear clamshell card, detailing its use for offset seaming and its limited lifetime warranty.
A professional product photograph of the Crescent Wiss WS4N 3-1/4 inch offset hand seamer featuring high-carbon steel jaws and ergonomic rawhide orange non-slip cushion grips for bending sheet metal.
A lifestyle photograph showing the Crescent Wiss WS4N offset seamer resting on a concrete floor next to galvanized sheet metal ducting and a professional tool bag, highlighting its use in HVAC installations.
An action photograph of a professional using the Crescent Wiss WS4N offset hand seamer to bend a clean 90-degree edge on a piece of round galvanized sheet metal ductwork.
A professional product photograph of the Crescent Wiss WS4N 3-1/4 inch offset hand seamer featuring high-carbon steel jaws and ergonomic rawhide orange non-slip cushion grips for bending sheet metal.
A perspective studio shot of the Crescent Wiss offset hand seamer showcasing the 3.25-inch jaw width with integrated 1/4-inch depth markings for precision measurements during metal fabrication.
A professional retail packaging shot of the Crescent Wiss WS4N hand seamer showing the tool secured in its clear clamshell card, detailing its use for offset seaming and its limited lifetime warranty.
A professional product photograph of the Crescent Wiss WS4N 3-1/4 inch offset hand seamer featuring high-carbon steel jaws and ergonomic rawhide orange non-slip cushion grips for bending sheet metal.
A lifestyle photograph showing the Crescent Wiss WS4N offset seamer resting on a concrete floor next to galvanized sheet metal ducting and a professional tool bag, highlighting its use in HVAC installations.
An action photograph of a professional using the Crescent Wiss WS4N offset hand seamer to bend a clean 90-degree edge on a piece of round galvanized sheet metal ductwork.
Crescent

Crescent Wiss WS4N 3-1/4 Inch Offset Hand Seamer for Sheet Metal Bending and Flattening 1/4 Inch Depth Markings and Ergonomic Non-Slip Cushion Grips

Only 1 left
SKU: WS4N
$49.99 USD

Description

crescent trusted by the trades logo

Master Precision Sheet Metal Fabrication with the Crescent Wiss 3-1/4" Offset Hand Seamer

The Crescent Wiss WS4N Offset Hand Seamer is a professional-grade solution for tradespeople who demand clean, accurate bends and seams in sheet metal. Engineered for durability and ease of use, this tool features a unique offset handle design that allows you to work comfortably in confined areas where standard straight seamers cannot reach. Whether you are working on HVAC ductwork, roofing flashing, or custom metal fabrication, the WS4N provides the mechanical advantage needed to produce permanent, tight-fitting seams with professional results every time.

Innovation meets ergonomics in the WS4N design, featuring high-carbon steel jaws with integrated 1/4" depth markings for fast and consistent measurements during layout. The optimal handle span is engineered to deliver maximum power within a comfortable operating range, significantly reducing hand fatigue during high-volume tasks. Integrated non-slip cushion grips ensure superior control and easy cleaning, while the safety handle latch keeps the tool securely closed when not in use. Backed by a full lifetime warranty, this 9-inch hand seamer is an essential addition to any professional metalworking or HVAC tool kit.

Key Features

  • Offset Handle Design: Ideal for working in confined areas and overhead applications where standard tools lack clearance.
  • Precision Bending: Specifically designed for bending and flattening various gauges of sheet metal by hand.
  • Integrated Depth Markings: Features 1/4" increments on the jaws to ensure accurate and consistent seam depths.
  • Maximum Power Delivery: Optimal handle span delivers high torque from an ergonomic operating range.
  • Ergonomic Cushion Grips: Single-material non-slip handles provide excellent control and comfort for all-day use.
  • Safety Storage Latch: Built-in handle latch keeps the high-carbon steel blades safely closed during storage or transport.

What's Included

  • (1) Crescent Wiss 3" Offset Handle Hand Seamer (WS4N)

Specifications

Model Number WS4N
Overall Length 9.0 in
Jaw Width 3.25 in
Jaw Capacity 0.25 in - 1.25 in
Blade Material High Carbon Steel
Handle Material Non-Slip Cushion Grip
Locking Mechanism Yes (Handle Latch)
Handed Ambidextrous (Both)
Weight 1.40 lb
UPC 037103308559
Warranty Full Lifetime Warranty

Pro-Tip: For the sharpest 90-degree bends, align your layout line with the desired depth marking on the seamer jaw and apply pressure starting from the center of the piece, working your way outward. This prevents the metal from "creeping" or bowing, ensuring a perfectly straight edge across the entire width of the seam.