Set of Hole Saws for cutting wood, plasterboards, particle boards and plastics. The Set includes 8 pieces. Product Features Thick walls increase the durability of hole saws core Includes 6 Hole Saws in various diameters: 51, 57, 67, 76, 89, 102 mm Cutting depth up to 25 mm Pilot drill 6 mm Package Content Hole Saw 51mm (2") Hole Saw 57mm (2 1/4") Hole Saw 67mm (2 5/8") Hole Saw 76mm (3") Hole Saw 89mm (3 3/2") Hole Saw 102mm (4") Reinforcing plate Arbor with pilot drill 6 mm Allen key