udes 13 carbon steel hole saws, 2 arbors with pilot drill and Allen key. Cuts smooth, clean, accurate holes through wood. Suitable for hard and soft woods, plastic, plasterboard and so on. Hole saw sizes :19mm, 22mm, 25mm, 28mm, 32mm, 38mm, 44mm, 54mm, 64mm, 76mm, 89mm, 102mm, 127mm. 1 x 16 in 1 Hole Saw Cutting Set.