11/16" Width Tungsten Carbide Tri-Cut 1" Cut Depth Hole Saw Bit MADE by BLU-MOL Ideal bit for cutting Metal * 1" Depth Safety collar stop prevents over-cutting for safer and faster performance * Strategically places tips reduce vibration * Self ejecting plug removal with spring * Special Tungsten carbide tips have long edge life and excellent heat resistance You are buying one (1) brand new, never used 11/16" Tungsten Carbide Hole Saw Bit, #3141. All these bits are still great quality and we believe that you will be pleased with them. Any questions please feel free to email us or call us.