No installation needed. The tray is 1.14" tall. Make sure your appliance and cabinet clearance exceed 1.14". Rubber rolling wheels ensure your countertop sliding tray move smoothly on marble, wood and other surfaces in any direction, protecting your countertops. Crafted from high quality, thick bamboo, this sliding tray for coffee makers protects countertops with its smooth finish. Extra-strength crossing beams provide stable support for even heavy appliances, such as coffee makers and toasters. This space-saving appliance slider tray is elegantly designed for coffee makers, coffee pots, toasters, espresso machines, air fryers, toasters, and stand mixers or other appliances.