1. Add Φ4, Φ6, Φ10 2. Lineup from Φ4 to Φ200 3. Space-saving cylinder, thin, compact design 4. Small magnetic switches can be installed on 4 sides (for Φ12 to Φ25, they are on two sides) 5. The magnetic switch does not protrude from the surface 6. Newly added double earring type and small foot type 7. Quality: reduced by 5% to 13% (compared to the previous CQ2 series) 8. The mounting screws are bundled and the model of the rod end mounting piece is set (saving the time of ordering cylinders and supports separately) 9. With magnetic switch (CDQ2 series: CDQ2, CDQ2W, CDQ2K, CDQ2KW, CDQP2, CDQ2□S, CDBQ2)