Model : SATA 52819 19- Piece Straight Handle With Cobalt Twist Drill Set 

Product Detail : 

- Size 1 , 1.5 , 2 , 2.5 , 3 , 3.5 , 4 , 4.5 , 5 , 5.5 ,6 , 6.5 , 7 , 7.5 , 8 , 8.5 , 9 , 9.5 , 10MM

- M35 HSS . Contain 5% Cobalt .

- Drill grinding forming with precise measurement .

- 135° Split Point features self-centering to prevent from slip awat while drilling .

- Using Special Thread Technology , effectively increase cutting speed and increase lifespan .