Convenient and formal, anti-leakage, high temperature resistance,flame-retardant materials to protect family . Electrical connectors allow visual inspection, prevents , and provided a waterproof seal. High conductivity,All copper tube core, large load capacity,low resistivity, good conductivit. [ Widely Applications ]: These wire ferrule connectors are widely used in car audio equipment, power distribution cabinets, speakers, and household appliances, other electronic equipment, etc. Whether you're an electrician working with PLCs or a hobbyist working with relay modules, you'll find this ferrule crimp kit handy. Adjustable Ratchet Design - Ratchet crimp kit for precise and repeatable crimping, ferrule kit to prevent over-crimping, crimp tool kit with adjustable compression wheel and square ratchet mechanism to reduce hand and elbow stress automatically adjust at the same time. Precise Ratcheting Mechanism - Crimp wire connectors by squeezing the handle throughout the ratcheting cycle until the handle automatically releases. The ratchet function allows the wire connector to be secured when the wire is inserted into the crimp. VERSATILITY & DURABILITY - Cord Hoop Kits are great for DIY projects and solderless repairs around . Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:PVC+metal Package Contents: 1 x Crimping Pliers Only the above package content, other products are not included. Note: Light reflection 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.