Knipex front loading self adjusting crimping pliers for end sleeves ferrules knipex 97 53 09 these front loading knipex crimping pliers for end sleeves are self adjusting to the desired end sleeve size they fit all twin ferrules within the application range the crimping pressure is already precisely calibrated but it can be readjusted this tool has a selector lever for setting the crimping area either to 008 10mm or 16mm knipex 97 53 09 self adjusting crimping pliers for end sleeve