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C 1431 Sealer
Signode C-1431 Steel Strapping Sealer has been discontinued. Use Signode’s RC-1435-50 as a single reverse notch replacement. The C-1431 puts a single notch in 1.25" x .031". Used as side action sealer. The sealer is used with high tensile strapping. The single notch takes 1/2 the effort to close. The more common Signode RCD-114 is a double notch, but takes more muscle to use. You should use this tool twice per seal, giving your 4 notches. Seal joint efficiency can be 70-80% when done right.
Allstrap Opinion: Signode makes great top of the line tools, and this tool did not disappoint. For a replacement, try the 1900.