The Blickman 1212BLK 5-Leg Pneumatic Exam Stool offers smooth height adjustment with a touch of the lever on the pneumatic lift. Sit in comfort on a 15"-diameter, vinyl upholstered seat cushion supported by 3" dense foam padding. The five-leg cast aluminum base with Wall Savers ™ protects against scuff marks and offers a textured surface for foot grip. Or choose a black contemporary composite base on Models 1210BLK, 1212BLk. Travels easily on 2", single-wheel, hard-rubber casters. Choose from 12 upholstery colors. (same as 1212 but with a black composite base)