1、This set contains many size of terminals in different colors and types that you can use for a long time. 2、The terminal is transparent, allowing precise visual inspection, and the colored part in the middle is easy for you to identify. 3、These butt terminals have the characteristics of sealing, strain relief, cable inspection and insulation. 4、Polyolefin material has good corrosion resistance, low water absorption, and excellent electrical insulation performance. 5、Commonly used in electronics, ships, automobiles, aerospace and other working fields, which is good wire connection accessory. Item Type: Wire Butt Terminal Material: Polyolefin Minimum Shrink Temperature: 80℃ Red Terminal Diameter: Approx. 3mm / 0.12in, Applicable Wire: 22-16 AWG 0.5-1.5mm² Blue Terminal Diameter: Approx. 5mm / 0.2in, Applicable Wire: 16-12 AWG 1.5-2.5mm² Yellow Terminal Diameter: Approx. 6mm / 0.24in, Applicable Wire: 12-10 AWG 4.0-6.0mm² White Terminal Diameter: Approx. 1.5mm / 0.06in, Applicable Wire: 26-24 AWG 0.25-0.34mm² Black Heat Shrink Tube Size: Approx. 20 x 3.5mm / 0.8 x 0.1in 50 x White Terminal 70 x Red Terminal 60 x Blue Terminal 20 x Yellow Terminal 400 x Black Heat Shrink Tube