The Saddle Seat Lab Stool features a saddle seat that helps to keep the hips engaged, encourages better posture and may allow better breathing from the diaphragm. The lab stool also features two ways to adjust its height. Simply use your heel to push down on the foot pedal plate, or use the pneumatic height-adjustment lever under the seat. Both adjustments have a range of 21 to 27". Stool is mobile on five casters and is stable on a five-star, nylon base. Seat is made from easy-to-clean vinyl. Recommended Application Area(s): Assembly/Repair & Technical Task; General Office & Task; Healthcare; Seat Color: Black; Color Family: Black; Arms Included: No.