2-1/8 in. Adjustable Rubber Bed Frame Casters with Soft Tread (2-Pack)The Shepherd Hardware 2 1 8" Soft Tread Rubber Wheel Bed Frame Casters with Sockets (2 Pack) are ideal for use in homes, condos or apartments where storage space is limited. They lift beds up to 10" to create storage space underneath and feature a 125 lb. load rating per caster. Their rubber wheels are great on wood floors and have brakes to keep a bed in place once moved. They also work well with caster cups to reduce bed movement. 2 1 2 inch wide x