Builders Edge ORIGINAL MOUNTMASTER Series 130010001001 Mounting Block 8 in L 7 in W Fiber Cement White

Decoratively provides a level and waterproof surface for all exterior fixtures. Durable, maintenance-free, UV stabilized and constructed with color molded so they won't scratch, flake or fade. The patented snap-on trim ring makes installation easy. 5 x 6 in ID. 7 x 8 in OD.