?Cutting clean holes?: These are Tungsten Carbide Tipped Core Drills that are great for cutting clean holes in concrete, brick, and blockwork
?Use description?: 35mm-45mm drills are used to a drilling water pipe and heater pipe, 55mm-80mm drills are used to air conditioner pipe, and 110mm used for 4inch wall fan
?Top quality drill set for starter?: This top-quality TCT (tungsten carbide tipped) core drill set contains everything you need to get started
?Part of list?: Includes 35mm, 40mm, 50mm, 65mm, 82mm and 110mm core drill bits, SDS + arbors, guide drills, and a 300mm SDS + extension shank.
?Other accessories?: Comes with 2 locking screws and 2 guide drills