HERO-LED  G8-17S-WW T4 G8 LED Halogen Xenon Replacement Light Bulb, 2.3W, 20W Equivalent, Under-counter Lights, Puck Lights, Warm White 3000K, 5-Pack(Not Dimmable) 5 Pcs T4 G8 Base Bi-pin Xenon JCD Type LED Halogen Replacement Bulb 2.3W Consumption 20W Equivalent T4 G8 Base Single Ended Halogen LED Replacement Lamp Bulbs For use in Under Counter Kitchen Lighting, Under-cabinet Lighting, Accent Lights, Puck Lights, Desk Lamps, Pendant Lights, Bathroom Vanity Lighting, Landscape Lighting Not Dimmable, Don't work with dimmer switch, 360 Degree Wide Angle Beam, Warm White 3000K Upgraded to be the latest version with same size as halogen g8 light bulb, the LED bulb will perfectly fit puck lights.