Milwaukee Concrete Drill Bits with a round shank and diamond ground percussion carbide tip with a dual cutting edge. They are ideal for drilling in brick, tile, ceramic, concrete, plaster, slate, and aerated concrete blocks. Conform to DIN 8039 standards.Milwaukee Concrete Drill Bit. Diameter: 7mm.Working Length: 60mm.Overall Length: 100mm.
sonoff 4chr3 is 4gang diy wifi smart switches designed to give you the ability to integrate smart control into your existing home to enable a smart home each smart switch has 4 gangs that can be used to control lights and other home appliances at the same time in four areas of your home