$8.49
Stem Caster, Swivel Caster, 165 lb Load Rating, 0 to 299 lb, 3 in Wheel Dia., Nylon Wheel/Tread Material, 3 1/4 in Mounting Height, Plain, 3/8 In.-16 x 3/4 in Caster Stem Size, Threaded, Nylon Caster Frame Material, No Finish Frame Finish, Yes......