100PCS Yellow ，12-10AWG,4.0-6.0mm²， Heat Shrink Ring Connectors:

#10; AWG:12-10; Quantity:25PCS

1/4"; AWG:12-10; Quantity:25PCS

5/16"; AWG:12-10; Quantity:25PCS

3/8"; AWG:12-10; Quantity:25PCS

Material : Copper + PE

Operating temperature: -55 ℃ -125 ℃

Start shrink temperature: 80 ℃Fully shrink temperature: 130 ℃

Conforms to Marine automotive etc manufacturer's specifications for wiring repairs necessary for maintaining electrical warranties.

For best results use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal.