Features precision blade with Slotted drive tip, 0.8mm x 40mm shaft Kraftform Ergonomic Micro handle design features the shape that facilitates high torque transfer and precision feel for fine adjustment work Convex/Concave cap offers both an easy turning action and comfortable hand rest Wera Black Point Tip and hardening process guarantee long service life and increased corrosion protection The percision zone directly above the blade provides a better feel for the rotaion angle during fine adjustment work