Oajen 2" soft wheel caster with stem and insert, for wood leg, pack of 4 Oajen 2" soft wheel caster with insert and plastic socket. Use on wood leg. Drill a hole, push in beige insert then push in caster. 90 lbs rating per caster. Soft wheel will not harm hardwood floor. 2-3/8" mounting height. 4 sets / pack. Made in Taiwan.