3157 Spider 5-Arm 40-SMD Red LED Light Bulb Pack of 2 Double Intensity 3528 Auto Turn Signal & Tail Brake Light Bulb With 40 x SMD LEDs Low Power Consumption; Designed for Maximum Tolerance; Lasts up to 30,000 Hours Direct Plug-In Replacement; No Extra Wiring Required Overall Dimension (Arms Closed) - 2.50" (Tip To Socket) X 0.75" (Diameter). Overall Dimension (Arms Opened) - 2.00" (Tip To Socket) X2.75" (Diameter). Height After Installation (From Arm To Scoket): 1.125"