55 Piece Heat Shink Crimp and Solder Butt Connector Assortment Starter Kit Thread_Coarse (UNC) More diameters and more pieces

More diameters and more pieces per size means fewer mid-job interruptions when the work requires stepping up or down in tubing diameter

for small-diameter hoses and tubing

Questions about material compatibility or sizing

visible way to identify wire bundles

USA-made ties in this kit use consistent color concentrates that won't fade or shift between production runs — so your color code stays readable years after installation

55 Piece Heat Shink Crimp and Solder Butt Connector Assortment Starter Kit Thread_Coarse (UNC) More diameters and more pieces55 heat shrink crimp and solder butt connectors in three wire gauge sizes red (2218 AWG), blue (1614 AWG), and yellow (1210 AWG) in a compact labeled kit. These butt connectors combine crimping and soldering in one step: the crimp holds the wire in place mechanically, and the solder slug melts during heat shrinking to flow through the wire strands, delivering a connection that's 80% stronger than standard PVC crimp terminals and fully sealed against