The THOMAS & BETTS ERG4001 is an ergonomic hand tool designed for efficient crimping of RA, RB, and RC insulated terminals, splices, and disconnects of (10-22)AWG wires. This high-quality hand tool is designed to provide comfort and ease of use for professionals in the electrical and telecommunications industries. Its ergonomic design reduces hand fatigue during repetitive crimping tasks, allowing for increased productivity and accuracy. With its durable construction and precise crimping capabilities, the THOMAS & BETTS ERG4001 is the perfect tool for any electrician or technician working with insulated terminals and splices.