Good morning Sir and thank you for your message about h7 led bulb retainer.

Our H7 LED bulb retainers are using “Avation aluminum”.

Frankly speaking, all of our h7 led bulbs are with retainers.

So you needn’t to buy retainer for our h7 led bulb any time.

In order to make you clearly our H7 LED bulb retainer, I will show you pictures as below.

All of our h7 led bulb with retainer are with CE, DOT, ISO9001 and EMARKS.

If you can give our h7 led bulb retainer a chance, I am sure you can save so much time and money.