Package includes: 1 X 100PCS(Four Sizes) Heat Shrink Connectors Quantity: 100pcs 20 X White Heat Shrink Connectors: Suits cable/ wire sizes AWG 26-24 / 0.25-0.34mm² 35 X Red Heat Shrink Connectors: Suits cable / wire sizes 18-22AWG / 0.5-1.0mm² 35 X Blue Heat Shrink Connectors: Suits cable / wire sizes 16-14AWG / 1.0-2.5mm² 10 X Yellow Heat Shrink Connectors: Suits cable / wire sizes 12-10AWG / 4.0-6.0mm² Specification: Insulation Sleeves: PE Terminal Body: Tin Ring Colors : Red, Blue, White, Yellow Features: An easy one step connection of wires, soldered, insulated and sealed Can be ideal use in marine and automobile applications Polyolefin tubing in outside and hot melt adhesive in inside Solder and seal and with advanced waterproof function Polyolefin heat shrink butt connectors improved pullout strength, provides seal, strain relief, cable check, and insulation