SMC MHW2 Air Gripper Series,180 Angular, Rack & Pinion Style, MHW2 25D M9B Distribution Nipple Reverse reading Reverse reading Specification item model symbol Specification information With auto switch D With auto switch Mounting support type B Basic type (with bosses on both sides) tube inner diameter 20 tube inner diameter 20mm cylinder stroke 50 cylinder stroke 50mm how it works S single acting forward type Rod end screw shape rod end male thread 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 Custom made specifications standard