This set of eight Goldwood Sound GF-615 black hard rubber cabinet feet. Each foot has an overall measurement of 1 7/16" and a height of 9/16". each of these non-marking hard rubber feet have a recessed brass bushing in the 3/16" countersunk center screw hole to protect against over tightening. Simply install the feet to your speaker box or cabinet with you your own screws. These heavy duty feet protect your floors from the cabinets or speakers without sacrificing style or performance.