TX screwdriver bits for 1/4-inch drive (6.3 mm) from size TX 8 to TX 30 (with end-side hole) and external TX size E 4 to E 10 (all torque values up to 25 Nm). For 1/2-inch drive (12.5 mm) sizes TX 40 - 60 and external TX E 12 - E 20 (for torque values from 25 - 135 Nm). Three angled keys TX 6, 8, and 10. Other contents see illustration. In a sturdy, powder-coated steel case. With a torsion-resistant, indestructible molded insert made of injected polypropylene. Oil-resistant, acid-resistant, and easy to clean. With permanently legible markings for all key sizes.