WIREFY SUPER VERSATILE CONNECTOR KIT - Ring, fork, hook, spade and butt splice heat shrink wire connectors are included in this multipurpose electrical connector kit. You will not run out of heat shrink wire connectors when working on your next wiring project. | DURABILITY AND WEATHER RESISTANCE - Thick copper barrel of the waterproof electrical connectors ensures a strong wire crimp every time. Your wire will never slip out of these connectors. Adhesive lined heat shrink tubing provides high tensile strength, as well as resistance to weather, stretch and mechanical damage. Prevent wire corrosion in your electrical connections. | EXCELLENT WIRE CONTACT - Brazed copper barrels provide increased current flow, and ensure less voltage drop, preventing wiring failures and reducing equipment downtime. | COMPLIANT WITH ALL ELECTRICAL STANDARDS - Wirefy heat shrink connectors are compliant with ROHS, ISO 9001:2008, SGS, CE and UL standards. Prevent wiring failures and reduce equipment downtime by choosing certified electrical connectors. | WIREFY QUALITY COMMITMENT - We stand behind the quality of our electrical connectors. All Wirefy electrical wire connectors are backed by our best-in-class, lifetime warranty.