ITEM NAME:1/4 Inch Shank Hinge Mortise Template Wood Milling Cutter 11.9x45mm Blue Description: - Suit for combined plunge-cutting and template routing. - Including large hooks and shearing angles. - Solid hardened steel cutters with anti-kickback design. - Heat-resistant PTFE coating baking to prevent the accumulation of wood chips, resin and asphalt. - Industrial micro-grain tungsten car.6.35mm(1/4"). - Total Length: Approx. 12.7mm(1/2").