Type D - Round plug
Type V - Square plug
GN991 Tube End Plug, Plastic, for Construction Tubes GN990
Tube end plugs GN 991 have been designed for sealing tube ends for safety or optical reasons. They are inserted into the tube end either by hand or with a soft head mallet.
Plastic (Polyethylen PE) - Black, RAL 9005, matte, SW. Grey, RAL 7042, matte GR.