🔧 JIECHENG Multi-Purpose Masonry Ceramic Plastic Review

1) Advantage: these multifunctional drill bits with Industrial Tungsten carbide tip are made for making holes on the concrete wall,ceramic,marble,granite,tile,brick,stone,fiber cement,plastic,wood,and wall mirrors,also can drill in steel,metal,iron.Aluminium,these concrete drill bits are designed like Twist Drill Bit with Spit tip,drill fast. 2) Package Include: Concrete drill bit 1/4"(6mm) x 2-piece, 5/16"(8mm) x 1-piece,3/8"(10mm) x 1-piece, 1/2"(12mm) x 1-piece,screwdriver bit PH2xPH2 with strong magnetic x 1-piece. 3) Nice packing of plastic box, easy for storage. 4) Notice: Please keep safe when operate the drilling work. it is better firstly slow speed,then higher. wear safety glasses it important for safe of eyes. and also use the machine with rotary drill,not hammer impact drill. 5) This concrete drill bit set is suitable for most kinds of general drill,electric drill,hand drill and bench drill,these strong tungsten carbide drill bit with very high hardness tip,easy to use and powerful,the U-type groove slot brings fast drilling dust remove, and 3-flats shank allows drill bit easy plug and to be held tightly.