Description: - It is made of high strength S2 alloy steel, very durable. - Hardness is good, hard to break and wear resistant. - Magnetic , in the installation can easily absorb the screws. - Suitable for installation in pneumatic screwdriver, electric screwdriver, - Rechargeable drill, using the wind lot. - Widely used in power tools, electric screwdriver assembly, electronics industry, household appliances, precision instrument industry, screw equipment of furniture industry. Specification: - TA18 the height of the middle triangle is 1.8mm - TA20 the height of the middle triangle is 2.0mm - TA23 the height of the middle triangle is 2.3mm - TA25 the height of the middle triangle is 2.5mm - TA27 the height of the middle triangle is 2.7mm - TA30 the height of the middle triangle is 3.0mm Size Chart: Size: Approx. 100x68x6.4mm / 3.93x2.67x0.25inch Package Includes: 6 Piece Screwdriver Bits Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.