☑Unique Dual-walled Design& Excellent Wire Connection☑Polyolfin tubing on the outside and hot melt adhesive inside.Copper barrel provides increased current flow, and ensures less voltage drop, preventing wiring failures and reducing equipment downtime.

☑Durability & Waterproof☑GIM heat shrink connectors' barrels are created from one seamless pieces of reinforced copper that eliminated the problem of the barrel opening,never worry about your wire slipping out of connectors.Translucent heat shrink tubing with adhesive lining allows visual inspection, prevents corrosion and provide a waterproof seal as well as resistance to stretch and mechanical damage.

☑Easy to identify & Use☑Color-coded tubing with wire gauge imprint makes it easy to identify the right size of the connector for every application.Strip wire insulation, crimp connector barrel with a wire crimper, and apply heat with a heat gun or a mini blow torch. Start making secure and durable connections in seconds. No soldering kit needed.

☑Wide Application☑Work great for automotive, machinary, home improvement, DIY electrical project, boatting gear ect. Red 22 - 16 AWG (90pcs), Blue 16 - 14 AWG (90pcs), Yellow 12 - 10 AWG (20pcs) You will find the right connector for all of your electrical wiring needs.

☑All Electronic Standards & Warranty ☑This GIM heat shrink connectors are compliant with ROHS, ISO 9001:2008, SGS and CE standards.And brand GIM promise one year for no hassle - free return refund or replacement for quality problem.