Knipex 72 21 160 Diagonal Cutter For Plastics Due to their cutting faces at an angle of 90°, the Knipex 72 21 160 diagonal cutters are suitable for work perpendicular to the component. This approach is necessary when access from the side is not possible, as with angled plastic mould parts or machine components. - Cutting face flush - For nearly flush cutting of moulded plastic components from sprues - Cuts soft materials such as lead in a flush cut - With opening spring