Features [Scope of application] The socket is used for LED electronic and electrical experiments [Main purpose] This led base can be used as LED lamp holder and isolation lamp shade [Easy to use] The panel display led accessory is easy to use and install, very practical [Specifications] Suitable for 5mm LED [Complete accessories] Each set has 4 parts: base, ring, nut and plug 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. 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 Package List