1.Replacement Jaws for SN-58B Crimper-This is a set of replacement crimping jaws designed to fit the SN-58B model ratchet crimping tool, allowing for tool maintenance or customization of crimping profiles 2.Ratchet Mechanism for Consistent Crimps-The jaws are intended for use with the tool's ratchet system, which is designed to complete a full crimp cycle to help ensure uniform pressure on each connection 3.For Non-Insulated Pin (Dupont-style) Connectors-Engineered to crimp the metal pins of common non-insulated pin connectors (often used for low-voltage signal and control wiring) 4.Versatile Low-Voltage Applications-Suitable for wiring projects involving automotive sensors, home appliance controls, model making, solar panel wiring extensions, and electronic prototypes 5.Complete Kit with 6 Jaw Inserts-Includes a set of 6 different jaw inserts, providing options for crimping various sizes of small pin connectors within the tool's capability, Manufacturer: LPAYBCFO