T10 LED bulb with swivel base, bright for car dashboard, instrument panel, gauges, indicator lights, air conditioning button Product Feature: 1. Durable, widely used, just study and play! 2. Built to strict quality control standards. 3. Socket type with solder terminals and mounting holes. 4. Most LED bulbs have polarity, please flip them 180 degrees when not lighting. 5. Lamp holder only. Bulb not included! Specification: Product name: lamp holder Material: plastic and metal Black color LED type: T10 twist base Base diameter: 10.7mm/0.42inch Total height: 15mm/0.59inch Quantity: 10 Usage: Perfect for T10 Twist-in interior lighting & measuring instruments instruments etc. (can be used in CAR/MOTORCYCLE/SCOOTER/TRUCK) Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to ensure the item is what you need. 2. The actual item may have a slight color difference with the listing image due to different computer screens, thanks for your understanding. 3. The item size is manual measurement, please allow 0.5-1 inch difference. (1 inch = 2.54 cm) Package includes: 10 x Lamp Holder