Powered by pneumatic technology, this 2-in-1, seal-less tool is a dependable and easy-to-maintain solution. It proves to be perfect for production lines or situations where the use of electrical-powered tools is either restricted or impractical. The tool’s user-friendly features include easy setting and locking mechanisms, ensuring the creation of accurate and consistently secured packages. Additionally, it provides the flexibility to choose between manual or semi-automatic mode, adding to its versatility for various applications.
  • Strap qualities
    Polyester (PET) and Polypropylene (PP), plain and embossed
  • Strap dimensions
    12.7 - 16.0 x 0.40 - 1.05 1/2 - 5/8" x .016 - .041"
  • Strap tension
    600- 2500 N (adjustable)
  • Sealing type
    Sealless, Friction weld sealing
  • Max. air pressure
    5.5 - 6.0 bar / 80 - 87 psi
  • Weight
    5.7 kg / 12.6 lbs


The FROMM P357 stands as a trustworthy and sealless all-around industrial strapping tool, built on the proven foundations of FROMM technology. With its well-balanced construction and strategically positioned control buttons for single-handed operation, it seamlessly adapts to various vertical and horizontal strapping applications. The operator has the flexibility to choose between Manual or Semi-Automatic mode, optimizing the tool for specific tasks.

Once the appropriate tension force and welding/cooling time are set, the tool can be securely locked, ensuring a consistently reliable strapping result. Its robust and durable design, featuring a minimal number of wearing parts, upholds the renowned and reliable FROMM quality, promising an exceptionally long tool life. This tool excels in applications where the use of electrical strapping tools is either impractical or restricted.


– A tool designed for effortless single-hand operation, it offers the flexibility to choose the operation mode that aligns with your job requirements – be it manual (2-buttons) or semi-automatic (1-button). Simplifying the strapping process, it facilitates easy strap threading with both straps inserted simultaneously.

– Achieve correct and consistently secured packages by setting and blocking the strap tension. Adjust the seal time easily for optimal seal efficiency, and a signalization pin marks the end of each strapping cycle, ensuring an ideal seal cooling time.

– Pneumatically powered, this tool is highly reliable and easy to maintain, making it suitable for a broad range of vertical and horizontal strapping positions across various industries.

– This tool serves as the perfect solution in situations where the use of electrical-powered tools is either unsafe or technically unfeasible.

– The compressed air connection can be conveniently established on top of the main housing or at the rear end.

– For packages with rough surfaces, an optional bottom-base wearing plate is available, while a plastic bottom-base protection plate is provided for strapping soft packages.


Strapping Qualities
Strapping Dimensions
Weight incl. 4.0 Ah battery
Tool size with 4.0 Ah battery
Type of seal
Average seal strength
Tension force
Tension speed
Max. air pressure
Air consumption
Suspension bracket
Polyester (PET) and Polypropylene (PP), plain and embossed
width 12.7 – 16.0 mm / thickness 0.40 – 1.05 mm / .016 – .041"
5.7 kg / 12.6 lbs
L350 x W133 x H135 mm / 13.78" x 5.2" x 5.3"
Sealless, Friction weld sealing
approx. 75% (dependent on the strap quality)
600 – 1300 N, 135 – 292 lbs / 1200 - 2500 N, 270 - 562 lbs (adjustable)
approx. 165 mm/s / 104 mm/s - See chart of types
5.5 - 6.0 bar / 80 - 87 psi
60 NI/min - 2.1 cu.ft/min Max. pressure drop of 0.5 bar / 7.25 psi
supplied with the tool


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