Product Instructions:
Pen tip material and items that can be identified: 5# apatite (finished fluorite, apatite or original stone, ceramic tile floor); 6# orthoclase (various types of glass, finished opal, feldspar or original stone); 7# quartz ( Finished jade, jade, crystal or rough stone); 8# topaz (finished pillar stone, garnet, spinel or rough stone); 9# corundum (finished chrysoberyl, corundum, taffeta stone or rough stone)

Parameter:
Size: pen 100x6mm; box 150x100mm
Box: 100mm*150mm*22mm
Pen: 100mm long, 6mm wide
Weight: pen 7.8g, total weight 221g

Packing list:
1*storage box
5* hardness pen