Field test view of solder seal butt connectors on blue and yellow wires after rain, mud splashes, and rugged terrain.

Solder Seal Wire Connectors

View All
Solder wire connectors HAISSTRONICA 340PCS 12-10 to 22-18 AWG. Color-coded, transparent storage case with AWG labels.Step-by-step guide: Strip, twist, and heat-seal wires with Haisstronica solder butt connectors.
Waterproof Heat Shrink Solder Seal Wire Connectors
From $9.99 USD $13.99 USD
Outdoor butt connectors crimp joints on wet soil, showing sealed heat shrink splices that block moisture and dirt

Heat Shrink Wire Connectors

View All
Haisstronica shrink wrap wire connectors kit with 520 pieces for comprehensive electrical projects.Haisstronica heat shrink spade connectors with cold crimping and quick-disconnect functionality for efficient wiring.
AWG 22-10 Heat Shrink Wire Connectors Kit
From $12.99 USD $13.99 USD
Closeup of electrical connector crimper tool squeezing blue insulated terminal in color coded jaws on workbench

Wire Tools

View All
Haisstronica ratchet crimping tool set, blue/yellow handles, 22-16 AWG dies, wire stripper, 6 crimp terminal dies labeled A-F.Haisstronica Electrical Crimping Kit - All-in-One Solution with Carrying Case
Ratchet Crimping Tool Set for Heat Shrink Terminals
From $49.99 USD
Demonstration of pec crimping tool setup, applying heat shrink over a finished lug on red battery cable with heat gun

Heat Shrink Tubing

View All
Haisstronica 3:1 heat shrink tubing bundle (360PCS) with dual-wall protection for automotive wiring.Haisstronica 360PCS heat shrink tubing kit (1/4"-1/2") for electrical wires, offering multi-size versatility.
360PCS 3:1 Heat Shrink Tubing Kit
$22.99 USD
Close-up of Haisstronica pex crimp tools squeezing a copper cable lug onto a battery wire over a yellow parts tray

Ring Terminal Kit

View All
Haisstronica 1/0 AWG-1/4" battery cable ends with M6 ring, 19mm diameter, 3:1 dual-wall heat shrink for corrosion resistance.Haisstronica 99.9% copper battery cable ends, 215A ampacity, corrosion-resistant, ROHS/REACH/UL-approved for reliability.
20PCS 2/0 Gauge Copper Cable Lugs with 3:1 Heat Shrink Tubing
From $9.99 USD

Free Standard Shipping

Fast shipping within 2 business days