SMC MHF2 Series, Air Gripper, 2 Finger, Low Profile, MHF2 12D M9BWV Star Key Set Black (* compared to Wiha standard (* compared to Wiha standard bit) Specification item model symbol Specification information With auto switch D With auto switch form pneumatic type Mounting support type L Axial foot type tube inner diameter 20 tube inner diameter 20mm Types of port screws Rc cylinder stroke 75 Cylinder stroke 75mm with bellows doesn't exist How Lock works D Spring Pneumatic Combination Lock auto switch Without auto switch Auto switch additional symbol 2 with or without Auto switch mounting bracket doesn't exist Custom made specifications standard