https://www.lampsplus.com/p/maxim-countermax-12-brushed-aluminum-back-edge-led-channel-light-3000k__3852n/
Maxim CounterMax 12" Brushed Aluminum Back Edge LED Channel Light 3000K - #3852N | Lamps Plus
Product Dimensions: .8 inches high, .5 inches wide. Uses Integrated LED type bulbs. Style #3852N at Lamps Plus.