Product Description

1.Made of 12.9 class black alloy steel internal hex drive cup-point with strong corrosion resistance property, durable and sturdy, has strong hardness and does not fall off easily, you can use it for along time;

2.Cup Point Design: The cup point of the set screws ensures a secure grip by creating a dimple in the mating surface. This design is particularly useful for applications where precise positioning and vibration resistance are required;

3.With 407 pieces in the set, you'll have a wide range of sizes M5 M6 M8 M10 and quantities to tackle various projects. This makes it convenient to have a diverse selection on hand for both professional and DIY tasks;

4.WIDE APPLICATIONS: Widely used in garages, shops or faucets, door handles around the home, lamps, knobs, plumbers and other minor repairs