YGT1019 Features: * Caster kit * It is for budget-minded buyers seeking to get the most for their classroom furniture dollar * All products are safety tested and certified and come with a full, one year guarantee * Affordable, American-made early learning furniture designed with a focus on the functionality you need most * Adds mobility to product * Compatible with products that call for Caster Kit A * CPSIA and CARB compliant Assembly Instructions: * Minimal assembly