Safco Lab Stool features an easy-to-clean generously padded vinyl seat on a 5-star chrome base. Height adjusts to meet workplace requirements in hospitals, schools, warehouses, research facilities and other lab environments. Pneumatic lever provides easy height adjustment from 17" to 22" for a comfortable, personalized fit. Heavy-duty 5-star polihsed aluminum base with swivel wheels allows 360-degree motion on both carpet and hard floors for optimal productivity.