High quality handheld crimping tool for bootlace ferrule. Made from chrome vanadium electric steel and designed to automatically adjust to the size of the bootlace ferrule to make sure accurate work is performed with each crimp. A well designed transmission ratio which is hand friendly providing a comfortable grip and allowing the user to crimp easily with the perfect end result. Features and Benefits 97 53 04 Square compression now for end sleeves (ferrules) up to 16 mm Square compression for ideal contact surfaces in the clamp connection Suitable in particular for all twin end sleeves (ferrules) up to 2 x 6 mm or 2 x AWG 8 Repetitive, high crimping quality due to integral lock (self-releasing mechanism) 97 53 14 Expanded capacity of hexagonal crimping up to 10 mm Hexagonal compression for confined connection dimensions Suitable in particular for all twin end sleeves (ferrules) up to 2 x 4 mm or 2 x AWG 10 Repetitive, high crimping quality due to integral lock (self-releasing mechanism) 97 53 18 Square crimp profile, high capacity range of 0.14 to 16 mm 360 rotatable crimping die; with 8 tactile locking positions Crimping of twin end sleeves (ferrules) up to 2 x 6 mm possible Repetitive, high crimping quality due to integral lock (self-releasing mechanism) Re-adjustable pressure calibration Typical Application Crimping Notes Tools have been precisely calibrated in the factory Knipex 97 53 04 Self-adjusting Crimping Pliers.