This new, innovative, award-winning caster features tapered egg-shaped wheels sized perfectly to the center housing, along with the crystal clear hard wheels produces a sleek, futuristic-looking caster. Unlike clear soft wheel casters which easily comply with the stringent BIFMA standards, these clear wheels were specially engineered using FEA and behavioral modeling techniques and they are made of a proprietary, specially- engineered resin, and easily pass all BIFMA tests. Custom casters are our specialty.