Alpen Ceramic / Glass Drill Bit Case 8 Pieces

Alpen Ceramic / Glass Drill Bit Case 8 Pieces. +Ceramic drill bits. -High performance ceramic drill bits for drilling ceramic, tile and marble. -Centering using the diamond-coated hard metal insert. -Maximum stability and resistance thanks to milled grooves. +Glass drill bits. -Suitable for drilling glass, bottles, porcelain, tiles, etc. -Centering thanks to the diamond-coated hard metal insert. -More stable due to the more robust stem. The case includes: 1 5mm ceramic/marble drill bit.  diameter. >2 6 mm ceramic/marble drill bits.  diameter. >2 8 mm ceramic/marble drill bits.  diameter. >1 x 10mm ceramic/marble drill bit.  diameter. >1 x 5mm glass drill bit.  diameter. >1 x 6mm glass drill bit.  diameter.