Feltac Casters Protect Hard Surface Floors The new Feltac dual fusion wheel caster with felt provides ultimate protection for the floors in your home or office. The feltac casters are ideal on linoleum, ceramic, laminate, and hardwood floors. The friction grip model is ideal for office chairs. Feltac Casters Are Quiet With the feltac fusion friction grip wheels, your floors remain protected from scratches, dings, dents and unsightly markings. Ordinary wheels are loud and often times distracting. The feltac felt covered casters provide you with a quiet and affordable solution to this persistent problem. Weight Capacity Each one of these friction grip casters feature a 75 lb. weight capacity for maximum support(4 casters have a combined capacity of 300 lbs). Please Note For 7/16" Diameter Holes Only.