1、Easy to use and install, very practical 2、Suitable for 5mm LED 3、Can be used as LED holder and isolated lampshade 4、Each set has 4 parts: base, ring, nut and stopper 5、For electronic and electrical experiments of LED Description: 5mm LED lamp holder sets light-emitting diode led light. It is easy to install and can be used as LED holder and isolated lampshade. There are 50 pcs in one bag and suitable for 5mm LED. Features: 1, Easy to use and install, very practical. 2, Suitable for 5mm LED. 3, Can be used as LED holder and isolated lampshade. 4, Each set has 4 parts: base, ring, nut and stopper. 5, For electronic and electrical experiments of LED. Specifications: Base Material: Galvanized aluminum Color: Silver Thread Mount Hole Size: 8mm / 0.3"(approx.) Suitable for: 5mm LED Quantity: 50 sets/package Weight: 100g(approx.) Package includes: 50 x LED Holders