The 7/16″ bore air cylinder is available with 5/32″ stroke and features a spring return option. Force Factor: 0.150 in extension, 0.138 in retraction. Approximate Weight: 31g in brass. Weight will vary slightly, depending on configuration. Porting: 10-32 internal threaded side inlet, 10-32 internal threaded end inlet, or 1/8” external NPT end inlet. Materials: Brass body with 300 series Stainless Steel internals. Buna-N seals.