Diamond Tipped Glass Cutter Hole Saw - 8 Piece Set
Sizes that are included:
5mm, 6mm, 8mm,10mm, 12mm, 14mm, 16mm, 18mm
Total length of drill bits: 50mm
Has round shank suitable for chuck drill
Diamond coated
Please note water is required for lubrication when using these drill bits to avoid them burning out quickly