Use these quality hole saws on a range of materials including wood, brass, aluminium, plastic and more The Draper 56385 is a 12 piece Holesaw Kit containing a selection of expert quality, heavy duty hole saws ranging in size from 20-64mm. These hole saws have a variable pitch and are suitable for cutting wood, steel, brass, bronze, cast iron, Aluminium and plastics. Manufactured from high-quality steel with M3 steel cutting edge for fast, clean, heavy duty cutting action. Maximum cutting depth 35mm. Features: Heavy-duty variable pitch bi-metal hole saws for cutting wood, steel, brass, bronze, cast iron, Aluminium and plastics Manufactured from high-quality steel with M3 steel cutting edge for a fast, clean, heavy-duty cutting action Maximum cutting depth 35mm Sold in a carry case Contains: 9 x Holesaw blades: 20, 22, 29, 35, 38, 44, 51, 57, 64mm 1 x 5/16\" locking hexagonal shank hole saw arbor with HSS pilot drill 1 x 7/16\" locking hexagonal shank hole saw arbor with HSS pilot drill 1 x 4mm hexagon key Specification: Pack Qty: 14 piece