Using these screwdriver bits, drywall screw head will stretch and dimple the drywall skin, but not ruptured it
With 1/4inch hex shank, they are widely used on many power drills or cordless drills
Made of high-strength S2 alloy steel, these screwdriver bits are very durable
Screwdriver bits has strong magnetism and would attract screws and hold screws firmly
These screwdriver bits have a collar that acts as a stop, preventing the bit from following the screw head into the drywall--once the collar contacts the drywall skin, the bit cannot proceed any further