10x Titanium Ceramic Tile Glass Drill Bit Tungsten Carbide Cross Spear Head 6mm the contact surface and window

the contact surface and window of the suction cup must be clean and dust-free

Round pendant: 5cm (diameter) x 1cm (thick)

Package dimensions: 45*35*7cm

Your kids will be fascinated and inspired as they carefully excavate their precious specimens

Measurements (single shaker): 8 x 7 x 4 cm

10x Titanium Ceramic Tile Glass Drill Bit Tungsten Carbide Cross Spear Head 6mm the contact surface and window100% Band new Ideal for drilling holes in bathroom tiles and wall mirrors Can be installed in the hand drill and electric drill No chatter and easy to locate Small cutting area to reduce resistance and improve the trepanning speed Chip can easily be cleaned Provide smooth and accurate drilling in ceramic tile, marble, china, mirrors and glass etc High quality carbide with a reinforced head can prevent bit cracking and provide a longer working lif