Camera never does justice, but here it is. Corian's 4.5"x8.5". Centerline on the top.
FYI, Lowe's doesn't carry the Halogen puck lights in singles anymore - here's a link to where you can find them online.
Atlanta Network Technologies.
www.antonline.com
Feit Electric 72050 9-Watt Compact Fluorescent Undercabinet Light, White