Power Tools
Round Concrete Plus Hole Cutter Saw Hole SDS Hole Saw Cement Stone Shaft Wall Concrete With Tool Bit Drill 30-160mm(110mm)
Easy to operate, convenient to use, and fast perforation speed. Hard alloy forging, high-temperature quenching, sharp edges and high hardness. Cutting is not easy to break, sharp and durable
https://www.bizrate.co.uk/powertools/round-concrete-plus-hole-cutter-oid39999525002.html