MK11 + MK11/M8 Sensors w/ Screw Thread Enclosures The MK11 + MK11/M8 Series Reed Sensors with Screw Thread Enclosures from Standex-Meder Electronics are ideal for piston end travel and position detection, end motion detection for linear drives, and machine industry applications. Standex-Meder Electronics MK11 + MK11/M8 Series Reed Sensors with Screw Thread Enclosures feature stainless steel (MK11) and plastics (MK11/M8) designs with thread for space adjustment, high power switches, various case sizes, five operate sensitivities, and a choice of cable terminations and lengths.