SMC CJ2K Z Series Air Cylinder, Non Rot, Round Body, Double Acting, Single Rod, CDJ2KB16 15Z A93L B Water Pump Pliers Edge side material must be Edge side material must be different from body side material(Two different steels laminated together through forging one hard layer for long lasting quality against friction and one softer layer that will not brittle while maintaining flexibility Specification item model symbol Specification information With auto switch D With auto switch Mounting support type B Basic type tube inner diameter 16 tube inner diameter 16mm cylinder stroke 30 cylinder stroke 30mm dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None Port location on head cover 90° about axis rocking support bracket no metal fittings rod end bracket no metal fittings auto switch Without auto switch Auto switch additional symbol 2 with or without Auto switch mounting type B band attached Custom made specifications standard