5PCS 5-12mm Multi Construction Drill Bits Masonry Concrete Wood Drill Bit Set
Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole. Specifications: 5mm(1/5"), 6mm(1/4"), 8mm(5/16"), 10mm(2/5"), 12mm(1/2") Length: 160mm(6-15/16"). Can be installed in the hand drill, electric drill.