Quick and even colouring of mitre grooves, corners and edges during PVCu window manufacture and touch-up of corners, cut marks and scratches in damaged PVCu window profile and doors. Innovative pen design features a springy pen tip which, when under light pressure, opens the new valve system to ensure uniform lacquer flow. The shape of the tip has changed too meaning you need only use one tip for all applications! So, you could colour a wide mitre groove and then fine corners and edges without having to change the pen tip. Part of the innovative Fenster-Fix Premium pen range, the successor to Kanten-Fix Plus from industry leader Konig. Offering good lightfastness and weather resistance, these touch-up repair pens provide good adhesion to many lacquer, hard plastic and metal surfaces. Dust dry in 1-2 minutes, and just 2-5 minutes to be touch dry.