Captive Pulls

Even if the nut is loosened, as it temporarily remains in the relief cut part, the pull and nut prevent an accidental fall.

Captive Screw

Even when the screw is removed from the frame, the captive screw does not fall out of the cover because it catches on the cover screw hole.
Extensive line up of hex socket head cap screws, hex bolts, pan head machine screws, etc.

Captive Knobs

Even when the screw is removed from the frame, the captive knob does not fall out of the cover because it catches on the cover screw hole.

CE Marking (CE Mark) is a mark demonstrating that the manufacturer is in compliance with the EC Directive for products such as machinery and equipment.

Products that are exported or distributed to EC member states must comply with the EC Directive. Therefore, in order to circulate the products in EU member states, CE Marking is required to demonstrate that they comply with the EC Directive.
According to the "EU Machinery Directive Annex 1" of "Machinery Directive (2006/42/EC)" in the EC Directive, screws that secure a protective cover or inspection cover of equipment and devices must not fall out of the cover when it is removed.