The A191419 drill set is contained in a cleverly designed dispenser with a top which rotates to make drill selection very easy. The clear plastic top can be turned to line up the size you need with the hole in the case. Then you just turn the dispenser upside down ? and out comes your drill. When you?ve finished just put it back it into the hole in the dispenser and rotate the top to the next diameter you need, or to the blank plate, which makes sure the drills all stay safely in the dispenser during transit or stored for your next drilling task. The A191419 includes 19 different sizes of Dormer?s A100 fractional jobber drills. Made with a steam oxide finish which helps prevent work piece material from sticking to the cutting edge of the drill, the A100s also have a conventional 118 degree point to help provide strength. The point also makes regrinding much easier so you can use the drill again and again. Dormer?s A100 drills above 6.00 mm diameter have a patented silver ring, so you know it?s a genuine Dormer drill. The diameter of each drill is etched on the ring so you can easily find and read the drill size. The A100 drill works in a number of materials including steels, aluminium and stainless steels, giving you a good quality hole every time. The A191419 is a great dispenser of these A100 metric drills. *Note: all drills below 1mm are bright.