Primary Function and Model: The SN58B is a ratcheting crimping tool designed for installing insulated electrical spade and terminal connectors with pin spacings of 2.54mm, 2.8mm, 4.8mm, and 6.3mm. Tool Mechanism and Operation: This pliers features a ratcheting mechanism that ensures a complete crimp cycle. It operates manually and will not release until the crimp is fully formed, which is a common design for consistent results. Specifications and Compatibility: The tool includes interchangeable dies or a multi-position head that is compatible with the listed connector sizes. Its primary function is to crimp the metal terminal and the insulation sleeve simultaneously onto a wire. Design and Construction: Constructed with a standard pliers form factor, it is made from steel. The ratcheting handle provides mechanical leverage for the crimping action. Common Applications: This type of tool is used for creating secure, insulated electrical connections in wiring for automotive repairs, household appliances, electronic projects, and control panel assembly., Manufacturer: LPAYBCFO