1 pair of spare blades for protective pipes. Designed for cutting composite pipes with a diameter of 12.0 to 25.0 mm and for cutting flexible protective tubes with a diameter of 18.0 to 35.0 mm without damaging a potential pipe inside. A calibration arbor can be fitted, for example, for Geberit composite pipes with diameters of 11.5 and 15.0 mm. Capacity options include half-moon, square millimetres, square drive, step-like square, triangular, and various clamping widths (hexagon, round, square).