9008 Features: -Brass hooded ball caster with stem.-Promotes easy movement on ceramic, linoleum, or carpet floors.-Not use on cushioned floors or hardwood surfaces.-Use under chairs, carts or tables.-Package type: Carded.-3/8" x 1" Stem.-Load capacity: 80 lbs. Dimensions: -Dimensions: 4" H x 1.5" W x 2.5" D.