Description   Long lever and eccentric force support up to 3mm wall thickness. Especially to notch gas-, steel-, non-ferrous metal-, and steam-tubes. To notch out the welding line for T-connections of tubes. Two different diameters: 50 und 61mm. Can be used horizontally and vertically. technical details sheet metal working for diameter in mm                          50 / 61 max. wall thickness in mm                      3 weight gross weight in kg                                    19 net weight in kg                                        18