1. These screwdriver bits are magnetic head, so they can fixed on the screw firmly
2. Adopted of high quality alloy steel,which is anti-impact and tough, great wear resistant
3. With 1/4 in hex shaft, they are widely used on electric screwdrivers, hand screwdrivers, electric drills, etc
4. There are 8 different sizes/set .so is convenient to you, can meet your varied requirements
5. Fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth

Specification:
Descriptions:
These screwdriver bits are made of high quality
material which is , anti-impact and tough. Magnetism enables them to fix
on screwdrivers firmly. They are widely used in electric
screwdrivers, hand screwdrivers, electric drills, air drills and so forth. So
practical item, make your life easier.
Features:
These
screwdriver bits are magnetic head, so they can fixed on the screw firmly.
Adopted of
high quality alloy steel, which is anti-impact and tough, great wear resistant.
With 1/4 in hex shaft, they are widely used on electric screwdrivers,
hand screwdrivers, electric drills, etc.
There are 8 different sizes/set .so is convenient to you,
can meet your varied requirements.
Fit for electric screwdrivers, hand screwdrivers, electric
drills, air drills and so forth.
Specifications:
Material: alloy steel (Surface sandblasting)
Handle size: 6.35 mm/1/4
The total length: 50mm/1.96inch
Head: security star head
Specifications: T8, T10, T15, T20, T25, T27, T30, T40
Quantity: 8 PCS
Package Included:
1 x 50mm T8 Screwdriver bit
1 x 50mm T10 Screwdriver bit
1 x 50mm T15 Screwdriver bit
1 x 50mm T20 Screwdriver bit
1 x 50mm T25 Screwdriver bit
1 x 50mm T27 Screwdriver bit
1 x 50mm T30 Screwdriver bit
1 x 50mm T40 Screwdriver bit