Malco Sheet Metal S3R 3" Offset Hand Seamer

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Malco S3R 3" Offset Hand Seamers

Forged steel jaws for bending sheet metal

Malco Hand Seamers, with forged steel jaws, are the premier choice for bending, folding, flattening and straightening sheet metal edges or safely gripping and moving sheet metal around the job site. The drop-forged, high-impact jaws feature depth markings graduated in 1/4 inch (6.4 mm) increments and are complimented by a powerful compound leverage design. Easily bend flanges or completely flatten seams from 1/4 to 1-1/4 inch (6.4-31.8 mm) deep in 24 gauge (0.71 mm) galvanized or (0.61 mm) mild steel. Works on copper, aluminum, steel, zinc, etc.

Malco’s Hand Seamers, with forged steel jaws, also feature ergonomic RedLine Handle technology. An Engineered handle opening compliments the natural power stroke of any user’s hand and maximizes the powerful 7:1 mechanical advantage of compound-leverage head to handle linkage. Comfortable handle grip contours, a non-slip grip insert, spring handle actuation and a thumb-operated handle latch ensure a natural fit and feel for comfortable one hand operation anywhere on the job.


  • Jaws are drop forged, high impact steel
  • Hardened steel handles resist abuse
  • Powerful compound leverage design
  • Tool also features rust resistant nickel plating
  • Non-slip ergonomic vinyl grips with hand stops provide added comfort and control
  • Precise vee-notched depth graduations on jaws are in 1/4" (6.4 mm) increments
  • Offset design helps you work on hard to reach angles
  • Jaw Depth: 1.25" (32 mm.)
  • Jaw Width: 3.25" (83 mm.)
  • Length: 8" (203 mm.)
  • Weight: 24 oz. (680 g.)
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