The wine bottle rack is equipped with a pre-drilled hole, you need to do is punch holes in the wall, and screw the wine rack in place. Specification Material: iron Color: Black Size: 11.7" L x 3.9" W x 1.1" H/ 29.8 cm x 10 cm x 2.8 cm Package Included: 1 Set x Wine rack Advantage: The wall wine rack is made of iron material with a powder finish, solid and sturdy, not easy to rust or fade. The wall-mounted wine bottle rack is designed to save your valuable counter and floor space. Stores bottles horizontally keeping the cork moist, preventing air from leaking in and affect the wine! Simply wipe down with a damp cloth to remove dust, and hold up to one wine bottle with ease. Works great in the kitchen, pantry, cabinet, dining room, basement, countertop, bar or wine cellar. Note: Please allow 1-2 mm differences due to manual measurement. Due to the difference between different monitors, picture may not reflect the actual color of the ite