Heat Shrinkable Wire Connectors, SST21 Waterproof Sleeve for AWG22-18 Butt Electrical Splice Tinned Solder Seal Terminal

Quick & Secure Wire Connections with Heat Shrinkable Wire Connectors!

Upgrade your electrical projects with Lincoiah’s SST21 Waterproof Sleeve—the ultimate heat shrinkable wire connectors designed for fast, mess-free, and waterproof connections. No crimping or soldering tools needed—just heat, seal, and protect in one simple step!

Why Choose Our Solder Seal Connectors?

All-in-One Solder & Seal – Skip the crimping tools! These tinned solder seal terminals melt and insulate wires instantly for a strong, waterproof bond.
Dual-Walled Protection – Outer polyolefin tubing enhances insulation and pullout strength, while the hot melt adhesive & solder inside ensures a secure, corrosion-resistant connection.
Color-Coded for Easy Use – Includes white (AWG 26-24), red (AWG 22-18), blue (AWG 16-14), and yellow (AWG 12-10) connectors for quick identification.
Waterproof & Durable – Heat-activated adhesive creates a fully sealed, waterproof connection—perfect for automotive, marine, and outdoor applications.
Organized Storage – Comes in a handy storage box for easy portability and organization.

Wide Applications

Ideal for car wiring, boat electronics, solar panels, trailers, and DIY projects. With a 2:1 shrink ratio and operating temps from -55°C to 125°C, these heat shrink connectors withstand extreme conditions.

Premium Quality Assurance

RoHS, ISO 9001, SGS & CE Certified
Reliable & Long-Lasting – Prevents wire corrosion and loosening.
100% Satisfaction Guarantee – Contact us for any issues!

Get Your Set Today & Experience Hassle-Free, Waterproof Wire Connections!