High Quality - Comply with all relevant European standards; Shrinking : 2: 1 Easy Operation - Transparent sleeve provides precise inspection when strip and insert wires inside. More Effective Way - An easy connection of wires, insulated and sealed No Slip Wire Contact - Tubing reduces in size and solder will melt and through the stripped wires, strong holding --- your wire will never slip out of the connector. Can be Perfect used in marine and automobile applications A simple connection of wires, soldered, insulated and sealed can be ideal. in marine and automotive applications Polyolefin tubing to the outside and hot. Melt adhesive in interior solder and seal and with extended waterproof function. Polyolefin shrink-fit connector improved pull-out strength, provides. Gasket, strain relief, cable test and insulation. Shrink connections , line -section 0.5-1.0 mm (A.W.G: 22-18). shrink connections. Diameter , cable section 1.5-2.5 mm (A.W.G: 16-14). shrink connections. Diameter , cable -section 0.25-0.34 mm (A.W.G: 26-24). shrink connections. Diameter , cable -section 4.0-6.0 mm (A.W.G: 12-10). colour: red&blue&white&yellow Material: copper tin size: Diameter: 2.7 mm,3.0 mm,5.0 mm,1.5 mm Package Contents: 100x shrink connector Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.