Heller 24942 3 Quickbit 'Ceramic Master' Glass and Tile Drill Bit Set 5 Piece (4mm - 10mm)

Heller Quickbit Ceramicmaster glass and tile drill bits
Set of 5 - 4mm , 5mm, 6mm, 8mm and 10mm diameter
For rotary drilling in glass and soft ceramic materials
Pointed centring cutting edge which can be sharpened
Heller QuickBIT® system: perfectly designed for use with cordless machines
Fastest switching between drills and bits