Check the listing for details. Knipex Self-Adjusting End Sleeve Crimping Pliers 7" Square Compression 975304SB. Condition: New. Listed at 296.49 USD. The Knipex 975304SB (carded) Crimping Pliers are 180mm in length and make crimping errors almost impossible as they adjust to the right profile size automatically. For reasons of design, it was a challenge to cover the wide capacity range of 0.08 to 10.0 mm² + 16.0 mm² using just one pair of crimping pliers. The result is technically sophisticated and easy to use. Knipex has applied for a patent for the design and operating principle of these crimping pliers. Accurate work is called for when crimping end sleeves (ferrules). Adjustment to the desired size of the end sleeves is automatic with the Knipex 97 53 04 crimping pliers. The user does not need to measure manual force when crimping because, thanks to the integral lock with release mechanism, the right amount of pressure automatically.