Features: The straps are made of hard insulated plastic for long life and are designed for heat resistant temperatures. They provide protection from good performance bulbs. Pre-wired for direct plug and play, there's no need to change the standard wire. Durable, good efficient, heat resistant, will not melt, corrosion resistant, long service life. Compatibility: T10 501 W5W . Specification: Color: Black Material: Plastic, Metal Length: 13.5cm / 5.31" Head Size: 2.2x1.4cm / 0.87"x0.55"(L*W) Note: Please allow 0-3mm difference due to manual measurement. Please check the items' description and size before making an order. Package Includes:1 x Lamp Socket