Are you in search of some heat shrink butt connectors? Or whether you are looking for a sturdy, trustworthy wire connectors that can do multiple jobs at once? , ! Our butt connector set must meet your needs. Using sturdy materials with multiple uses, it can be a good choice for you to use. Features -Color:Assorted Color -Material:Copper -Size:3.50X0.80X0.80cm/1.38X0.31X0.31in -Size:3.10X0.80X0.80cm/1.22X0.31X0.31in -Size:2.90X0.80X0.80cm/1.14X0.31X0.31in -Operating temperature: -55 degree centigrade~125 -Start shrinkage temperature: 80 degree centigrade -Minimum full shrinkage temperature: 130 degree centigrade -Specification: 12-10 AWG, 4-6mm², 48A(yellow type); 16-14 AWG, 1.5-2.5mm², (blue type); 22-16 AWG, 0.5-1.5mm², 19A(red type) - With the electronic butt connectors, one or more different conductors can be crimped in a short space. - Insulated heat shrink terminal butt connectors are good for automotive use, home applications and temporary projects. - Using sturdy materials, these heat shrink connectors are very safe and support long time using. - Always provide convenience and the proper connection, spade shape design, effectively prevent the wire from loosening or falling off. - Multiple uses, light in weight, small in size, the heat shrink butt connectors can satisfy you different demands. Package list: terminals