SCHULTE DISTINCTIVE STORAGE 3011110414 LOCKING CASTER Great for creating a convenient mobile storage unit for the laundry room kitchen pantry closet sewing space or a craft workspace. Casters swivel smoothly for simple mobility in tight spaces and around corners. Constructed in the USA with high impact black plastic. Two of the four rolling casters feature a sturdy locking mechanism to keep a storage basket unit securely in place. Instantly adds versatile mobility to a single Stor Drawer Basket System.