Power Tools
4-piece drill bit socket, 160 mm socket drill, with 220 mm SDS plus adapter and 3 x centring drill 110 mm, for crown drill concrete, Masonry (160 mm socket drill)
Materials: Made of high quality alloy, high strength and excellent drilling performance. The sharp blade cuts metal holes precisely without wobbling. UNIQUE DESIGN - Our durable drill bit features 2 air holes for ventilation without dust and chips...
https://www.bizrate.co.uk/powertools/4-piece-drill-bit-socket-160-oid22185719422.html