The STSR is a Maillis range of pneumatic strapping tools for steel straps with seal, double notch. It is a powerful and reliable strapping tool, designed for use in heavy duty industrial applications. The tool is available in two versions: 3-button model (standard) and 2-button model (on request) and in 3 strap sizes: 19 mm, 25 mm and 32 mm / 3/4”- 1”- 1-1/4”