the shell and flange are outfitted with two countersunk holes for mounting

Screw #10-24nc

cut hole in countertop

Mounting Clips and Screws

Thickness: 1/2"

Floortex Antifatigue Mat, 2 ft x 16 in, 1 EA - FCA21624BK Frame Type-Security the shell and flange areAntifatigue Mat; Mat Shape: Rectangle; Color: Black; Width: 16 in; Length: 2 ft; Thickness: 43 64 in; Mat Surface Pattern: Smooth; Mat Surface Material: Polyurethane; Mat Backing Material: Polyurethane; Weight: 2. 2 lb; Edges: Beveled; Mat Electrical Resistance: Electrical Properties Not Tested; Flame Resistant Fire Retardant: Flame Resistant; Antimicrobial: Yes; Brake Fluid Resistant: No; For Use In: Dry Environments