A96I-25 Pieces Multi-Material Carbide Drill Bit Set For Porcelain Tile,Concrete,Glass(3Mm 4Mm 5Mm 6Mm 8Mm)

High-concerned chemical : None Origin : Mainland China DIY Supplies : Metalworking Specification 1 : twist drill Specification 2 : Ceramic drill Specification 3 : Wall drilling Specification 4 : Hole opener Specification 5 : Triangle drill