Fabco-Air’s Parallel Jaw Motion Grippers October 8, 2012 By ΊΪΑΟ³ΤΉΟs Editor 24 pages of design information details two families of pneumatic grippers. Synchronous parallel jaw motion models require no adjustment and are available with strokes from 1/4″ to 24″ and grip forces to 400 pounds at 100 psi. Fabco-Air, Inc. You might also like