Pancake II air cylinders offer direct interchangeability with improved performance. The device’s high-strength composite cylinder barrel is self-lubricating and impact resistant. A composite rod bearing in the cylinder head has higher load capacity, lower friction, and zero slip-stick. The cylinders come in standard, twin rod, Multi-Power, three position, and custom models and feature ½ to 4-in. bores.Fabco-Air Inc., 3716 NE 49th Ave., Gainesville, FL 32609, (352) 373-3578, www.fabco-air.com