Screw the sleeve counter clockwise. Therefore, the sleeve is not detached when the connector is tightened.
Only hex key SW 4 required. (Sleeve can also be fitted with Torx 25)
Scope of delivery: Only the sleeve
For use a special screw DIN 912 M4x30 head Ø 4.9 mm to DIN would be the Ø 7mm.
The special screw you get as a separate article.