A high professionalism drilling set

A professional external and internal tooth drilling set from Qirnash American. The set is of high quality suitable for professional workers and achieving excellent work results. The set includes many parts to overcome various challenges. With the set, you will be able to repair and drill external and internal teeth with metric and inch measurements. The set features an automatic tooth drilling key, allowing you to drill with one hand without needing to rotate completely around the target area. You can also overcome challenges in tight spaces and easily drill and move the key with one hand. Set components: - Automatic key for external and internal drilling - Metal back for manual drilling - Allen key for fixing accessories - Tooth measurement guide in millimeters - Tooth measurement guide in inches - Hexagon attachment - Two fixing pieces for internal drill bits on the key - Piece for fixing external drill bits - 34 external tooth drill bits in millimeters and inches NCSAE: 4 x 40, 6 x 32, 8 x 32, 10 x 24, 12 x 24, 1/4 x 20, 5/16 x 18, 3/8 x 16, 7/16 x 14, 1/2 x 13 MM: 3mm x 0.50, 3mm x 0.60, 4mm x 0.70, 4mm x 0.75, 5mm x 0.80, 5mm x 0.90, 6mm x 1.00, 7mm x 1.00, 8mm x 1.25, 9mm x 1.25, 10mm x 1.50, 11mm x 1.50, 12mm x 1.75 NFSAE: 10 x 32, 1/4 x 28, 5/16 x 24, 3/8 x 24, 7/16 x 20 MM: 9mm x 1.00, 10mm x 1.25, 12mm x 1.50 SAE: 1/8-28BPS SAE: 1/8-27NPT 34 internal tooth drill bits in millimeters and inches NC SAE: 4 x 40, 6 x 32, 8 x 32, 10 x 24, 12 x 24, 1/4 x 20, 5/16 x 18 NFSAE: 10 x 32, 1/4 x 28, 5/16 x 24 MM: 3mm x 0.50, 3mm x 0.60, 4mm x 0.70, 4mm x 0.75, 5mm x 0.80, 5mm x 0.90, 6mm x 1.00, 7mm x 1.00 NC SAE: 3/8 x 16, 7/16 x 14, 1/2 x 13 MM: 8mm x 1.25, 9mm x 1.25, 10mm x 1.50, 11mm x 1.50, 12mm x 1.75 NFSAE: 3/8 x 24, 7/16 x 20, 1/2 x 20 MM: 9mm x 1.00, 10mm x 1.25, 12mm x 1.50 SAE: 1/8-28BPS SAE: 1/8-27NPT The set is stored in an organized and clear plastic case, with the measurement of each piece prominently added in the package and on each piece for easy measurement identification.