Description:The tapered rubber amplifier/cab feet have a through the hole and an inserted screw location for mounting with screws (screws NOT included).The rubber feet can protect your beautiful hardwood, ceramic tile and linoleum floors from scratches and save your furniture feet.The rubber feet bumper are used for the cutting board, furniture, instruments, display shelf, machinery equipment, experimental equipment, distribution box, guitar bass amplifier and mechanical equipment, etc. Features:1. PROTECTOR - Used for rough furniture feet, makes it more smooth, so that prevent your floor surface from scratching, and keep furniture balance, items on desk or cabinet do not slide easily.2. EASY TO USE - Compared with nail pads, has the advantage of easy install and do no harm to your furniture.