Six families of air cylinders from Fabco-Air Inc., Gainesville, Fla., feature Teflon-lined Duralon rod bearings and chrome-plated, stainless-steel piston rods. Pancake, Square 1, and short-stroke models are available in bores from 0.5 to 4 in. with strokes to 6 in. Multi-Power cylinders come in bores from 11⁄8 to 8 in. and deliver up to 10,000 lb of thrust from a 60-psi shop-air supply.