With the -grindingDiamond pins you can engrave and decorateglass easily and beautifully. Create great glass decorations by engraving, scoring and matting lanterns, tea light glasses, bottles, juice glasses, flacons etc. with the mounted points. Get creative on the surfaces of your glassware! The glass engravings make every glass article a great unique specimen or a very special, individual gift. The pencils are suitable for the PROXXON Engraving tool (art. no. 593410). The engraving set includes 2 engraving pencils with ball head shape 1.0 mm or 1.8 mm and 2 mounted points with cone or bullet shape.