Brand NEW! Dayton Audio DRFS1 1-3/8" x 1" Heavy Duty Rubber Feet 4 Pcs. Spiking a speaker system is not always an option?if you have tile, stone, laminate, or even hardwood floors you would probably prefer a scratch-free alternative. The Dayton Audio DRFS1 rubber foot set provides four dense, strong rubber feet and all necessary mounting hardware. Installation of the rubber feet will protect both the speaker enclosure and the floor surface, while also reducing or eliminating subwoofer "creep". The DRFS1 rubber feet are compatible with current versions of Dayton Audio subwoofer systems and interchangeable with Dayton Audio accessory metal cone spikes. M6 barbed insert nuts and threaded studs are included for mounting in cabinet walls up to 1" thick. Set includes four heavy duty rubber feet, four 6 mm threaded barbed insert nuts, and four 6 mm truss head Phillips screws. Insert nut requires a 5/16" hole to be drilled in new cabinet prior to installation. ? Foot dimensions: 1-3/8" diameter, 1" high. - All international buyers are responsible for all tax, duties and/or customs fees.