Amico 19mm Metal Cutter Hole Saw Hex Wrench Twist Drill Sets
This 19mm Holesaw provide good strength and great wear resistance; This Hole Saw Set can be used for cutting cast iron; The grub screw holds the saw firmly against the shaft of the drill bit so that it revolves at the same speed; Come with a Hex Wrenches for you easily firmly wrench the grub screw.