VEVOR LAT Pull Down Machine, 3-in-1 Row Cable Machine, Cable Machines Home Gym with 18-Level Height Adjustment, Wall-Mount Design, Load 500 lbs Lat Tower for Full-Body Workouts, Single-Arm Training

Cement/concrete walls: Use a 12 mm or 14 mm hammer drill bit. Wooden walls/wood studs: Use a standard 4.5–5.5 mm drill bit to pre-drill a hole, then screw in the wood screw.