Feature1Suitable for drilling complicated materials and can choose a higher cutting speed2Multilayer edge geometry improves chip removal performance and keeps cutting resistance small3Selected highperformance alloy blades for steel plate drills, effectively reducing chipping and maintaining good wear resistance4Hole opener come with stable structure, excellent performance and long service life5Using advanced technology, possess smooth surface, which will not hurt your hands in workItem Type: Hole OpenerMaterial: TCTSpecification: Hole Diameter x Blade Length: Approx. 13 x 35mm or 0.5 x 1.4in17 x 35mm or 0.7 x 1.4in14 x 35mm or 0.6 x 1.4in16 x 35mm or 0.6 x 1.4in Package List1 x Hole Opener Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.