[Lightweight Material]--The crimper handle is made of high quality 6061-T6 aluminum alloy, which is lighter in weight, only 2.35 lbs, making the crimper more convenient to carry and use. The crimp head is made of high-quality carbon steel for longer service life. The long handle of the battery terminal crimper is wrapped in non-slip soft vinyl to help you save effort when crimping. [Rotary Crimping Dies]--terminal crimping tools are available in 6 crimp sizes, 10, 8, 6, 4, 2, 1 AWG (corresponding to 6mm/10mm/16mm/25mm/35mm/50mm) , and crimp the die using a hex swivel, held in place by a spring-loaded locking pin. Due to the wire process, crimping dies are more precise than normal casting or stamping dies. [Easy Operation]--Open the handle of the crimper, then press the locking pin and rotate the crimping pliers to the size you need, place the cable and lug, then pull the ratchet terminal crimper hard, do a lot of work on the cable protrusion Good crimp on the ear. Finally, rotate the connector 90 degrees in the other direction and repeat the previous step for a second crimp. It is safer to crimp twice. [Application and Compatibility]--Compatible with copper-aluminum cable lugs, non-soldering, standard electrical connection. Create secure connections to cables, stranded conductors, appliances and other power equipment in harsh environments. Colour: As shown Material: Aluminum Package Contents: 1 x crimping tool, 60 x copper ring terminals Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.