Master Appliance 10067 Multiseal Connector Assortment Kit, 14 Items, 120-Piece Connectors are crimped for mechanical reliability, soldered for strength and conductivity, and heat sealed for superior durability Uniform adhesive does not overflow onto terminal to impede contact Tubing does not reduce in length creating better insulation along with superior wire support and strain relief Translucent, adhesive lined polyolefin shrink tubing allows visual inspection