Mounting SMBZ-8-125/320 For attaching proximity switches with type 8 slot to cylinders with tie rod. Size=8, Design=For tie rod, Corrosion resistance classification CRC=2 - Moderate corrosion stress, Materials note=(* Free of copper and PTFE, * Conforms to RoHS), Material housing=(* Wrought Aluminium alloy, * Anodised)