Features 1、Protect the LED light so that it stands on the PC board to make the height consistent 2、LED lights will not bend, cut, or short circuit with this holder, very practical 3、Made of high-quality materials, come with high and low temperature resistance 4、The product possess high fire-proof level, very suitable for 3mm LED lights 5、Brass material with excellent thermal conductivity, and corrosion resistance Specification Item Type: LED Holder Bezel Mount Material: Brass Model: For F3 flat brass holder Fire Rating: 94V-2/94V-0 Working Temperature: -20℃-120℃ Suitable for approx. 3mm / 0.1in LED lights(lights not include) Package List 20 x LED Holder Shell 20 x Gasket 20 x Nut 20 x Fixed Holder