Angled upright view of the Crescent WS4N offset hand seamer with orange handles and wide silver jaw.
Angled view of the Crescent WS4N offset hand seamer with silver offset jaw, black body, and orange handles.
Front upright view of the Crescent WS4N offset hand seamer with orange handle and silver jaw.
Close-up of the WS4N offset hand seamer jaw showing the silver plates, latch, and orange handle.
Close-up side view of the WS4N offset hand seamer showing layered silver jaws, black body, and pivot screws.
Close-up of the WS4N offset hand seamer orange handles with grip texture and latch hardware.
Gloved worker uses a Crescent WS4N offset hand seamer to bend sheet metal along a ductwork corner.
Image of WS4N

3" Straight Offset Hand Seamer with Integrated Folding Tool

WS4N
The Crescent Wiss hand seamers are built for HVAC professionals who need precise control when bending or forming sheet metal by hand. Designed to deliver consistent, uniform bends, this tool also features an integrated 3/8" folding tool when working in tight spaces and to eliminate the need to carry additional tools on the job. Featuring an ergonomic grip designed to allow for multiple hand positions, the Crescent Wiss hand seamers are built for the pros who demand more.
  • Features
    • For bending and flattening sheet metal
    • Improved grips for better fit, comfort, and versatility for different hand positions
    • Integrated 3/8" folding tool allows for making tight bends equivalent to a folding tool
    • Ergonomic latch for easy single-handed operation
    • 1/4" depth markings
  • Specifications
    • Weight (Catalog) : 1.40 lb
    • Warranty : Full Lifetime
    • Type : Seamer
    • Overall Length : 9.0 in
    • Overall Width : 3 in
    • Locking : Yes
    • Overall Height : 3.25 in
    • UPC : 037103308559
    • Prop 65 : WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm.
    • Handed : Both
    • Material : Alloy Steel
    • Jaw Width : 3.25 in
    • Blade Material : High Carbon Steel
    • Weight (Catalog) : 1.40 lb
    • Warranty : Full Lifetime
    • Type : Seamer
    • Overall Length : 9.0 in
    • Overall Width : 3 in
    • Locking : Yes
    • Overall Height : 3.25 in
    • UPC : 037103308559
    • Prop 65 : WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm.
    • Handed : Both
    • Material : Alloy Steel
    • Jaw Width : 3.25 in
    • Blade Material : High Carbon Steel
    • Color : Rawhide
    • Packaging : Carded
    • Handle Color : Rawhide
    • Handle Material : Single Material Non-Slip
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  • Frequently Asked Questions
    What is this tool used for?
    The Crescent Wiss hand seamer is designed for bending, folding, and flattening sheet metal.
    What materials can this tool handle?
    The Crescent Wiss hand seamers are designed for common sheet metals in HVAC such as galvanized steel, aluminum, and other thin-gauge metals that are typically used in ductwork or flashing.
    What gauge sheet metal can this tool handle?
    The Crescent Wiss hand seamers are rated up to 24 gauge galvanized steel.
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