Shepherd Hardware 9354 2-Inch Hooded Ball Stem Caster, Bright Brass, 2-Pack 2-inch diameter spherical soft black rubber ball caster with double ball bearing swivel and bright brass hood with friction stem mount 5/16-inch x 1-1/2-inch stem with 2-3/8-inch clearance height 80-lb load capacity per caster Soft tread wheel is great for use on small sofas, chairs, TV stands and microwave carts 2 pack with mounting sockets included for easy installation