Mounting Accessories. Actuation kit (puck). Ident. no.: 6900174. End position damped. damping and position display via puck insertion parts. Hole pattern on flange surface: 80 x 30 mm and 130 x 30 mm. Connection shaft (shaft extension) height: 10 mm/Ø: max. 30 mm. With two universal intermediate plates (each 10 mm high) for use with shaft extension heights of 20 or 30 mm.