Knipex 97 33 Crimping Pliers with round magazine and 5 interchangeable profiles, which allow the professional electrician to quickly switch between crimping applications and to carry only one set of pliers. Factory calibrated for accurate and reliable crimping of connectors: Non-Insulated Open Plug: 0.5-6.0mm². Insulated Terminals, Plug and Butt Connectors: 0.5-6.0mm². End Sleeves (ferrules): 0.25-25mm². Non-insulated crimp terminals, tube and compression cable lugs in accordance with DIN 46234 and DIN 46235 and non-insulated crimp, butt and press connectors in accordance with DIN 46341 and DIN 46267. Sizes: 0.5 - 10.0mm².