RoHS How to Order Dust cover type Chloroprene rubber (CR) Fluororubber (FKM) Silicon rubber (Si) Nil F S MHSJ 3 20 D M9BW Number of fingers Action Bore size Number of auto switches Auto switch 2 pcs. 1 pc. Nil S Nil Without auto switch (Built-in magnet) D Double acting 16 mm 20 mm 25 mm 32 mm 16 20 25 32 3 3 fingers With dust cover . Refer to page 163 for the applicable auto switch model. Parallel Style Air Gripper 3-Finger Type with Dust Cover o16, o20, o25 Series 25A-MHSJ3 25A Series compatible with secondary batteries . Specifications and dimensions for the 25A-series are the same as standard products. 113