Bosch 5pcs Masonry Drill Bit set-4,5,6,8,10mm

Bosch 5pcs masonry drill bit set ,applications: for drilling in masonry,concrete,brickwall,to be used with impact/hammer drill machines,fitted with keyed or keyless 3way jaw chuck,specifications: ,diameter: 4mm,5mm,6mm,8mm & 10mm,length: standard,material: hss with brazed carbide tip,type: double flute conical tip,finishing: chorome coated,packing: plastic bit holder case.