5 PCS Concrete Drill Bits Set Chrome Vanadium Metric Twist Drill Bit Diamond Pro

PROTECO Diamond PRO Concrete Drill Bits – Set of 5 pcsConcrete Drill Bits: suitable for drilling harder materials as concrete, bricks, granite and many more.Sizes included: 4, 5, 6, 8, 10 mmLONG LASTING CHROME VANADIUM STEEL. Cylinder stem.Diamond coated (Wolfram / Tungsten Carbide coat)Domestic and Professional UsePrice for 1 Set of 5 Pcs MADE IN CZECH REPUBLICPROTECO was established in 1992 in Czech Republic. During 25 years on market it became a well known brand of high quality tools for domestic and professional use in many European countries.