PSEN screw M5x20 10pcs 540312 One-way screws, one-way slot, M5x20, material stainless steel, PU = 10 pieces, suitable for actuator: PSEN cs1.x, PSEN cs2.x, PSEN me1.x AR, PSEN me2.x, PSEN me3.x, PSEN sl. Perfectly matched to magnetic sensors PSENmag: multiple interfaces PDP67, screws, spacers, mounting brackets, reverse spacers and much more.