Fitting Tool for GLS111 chrome insert & TRM1002/1006 rubber insert. Tool for fitting windscreens and inserts. Supplied with two sizes of tool, the larger one is for fitting the GLS111 chrome/plasic insert and the smaller tool is for the TRM1002/1006 rubber insert on van rear doors or pick-up cab rear window. Washing-up liquid helps to lubricate the seal / tool (but only use a little) **WILL NOT HELP FITMENT OF METAL INSERTS**