Cable sleeves with knockout Ø M16, suitable for Mistral 65 circuit distributor series. For the cable entry point, there are easily breakable metric knockouts at the top, sides and bottom of the surface-mounted circuit distributor. Cable sleeves with knockout Ø M16, suitable for Mistral 65 circuit distributor series. For the cable entry point, there are easily breakable metric knockouts at the top, sides and bottom of the surface-mounted circuit distributor.