Viking S-300LK CC hole saw set for spots, electrical conduit and boxes from LK. The set includes 10 hole saws in sizes from 19-78 mm, 2 extra carbide drill bits, 3 holders and a drilling adapter. Carbide's cutting properties make it possible to cut quickly and accurately in a range of materials, including drywall, fibreglass, laminate, plastic/acrylic and brick.