Use the SandLock Table Locking Caster Wheels with our SandLock sand tables to keep them portable. These durable casters come in a set of four and are given a non-skid urethane finish that leaves floors undamaged. Lock the casters to keep the table secure and in place. Replacement casters snap in easily to table. * Non-skid urethane finish leaves floors undamaged * Casters can lock to keep table in place * Includes set of 4 casters * Snap in easily to SandLock tables