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: 64, 76, 89, 102, 127 mm Cutting depth up to 25 mm Pilot drill 6 mm Package Content Hole Saw 64mm (2 1/2") Hole Saw 76mm (3") Hole Saw 89mm (3 3/2") Hole Saw 102mm (4") Hole Saw 127mm (5") Reinforcing plate Arbor with pilot drill 6 mm Allen key