Portable Mini Multifunction Ratchet Screwdriver

1.Material – Those screwdriver bits are made of S2 alloy steel material with a sandblasting finish, high hardness and durability, suitable for industrial use.
2.Features – The drill bit set can be matched with an interface 1/4″” torque wrench, ratchet wrench, slide bar, power wrench, and drive square head.
3.Applications – 1/4-inch hexagonal bits feature a positioning nut, adjusting screw rod, and lock nut, a good helper for DIY hand-making and household maintenance.