The Wera Kraftform Standard Screwdriver Handles has the following features:Steel Material, 1/4 inch Drive Size, Standard Shank Type, 78mm Handle Length (L). Discover more about the Screwdriver Handles range. Wera Screwdriver Handles are a type of bit holding tool fitted with a ¼” hexagon drive to allow for versatile fastening and removal of screws in a wide range of applications. Kraftform Screwdriver Handle Easily recognisable within the industry, the Kraftform Screwdriver Handles feature a sleek aesthetic and unique, ergonomic design to achieve maximum comfort and efficiency. Sitting comfortably in the user’s hand, Kraftform Handles feature soft zones, designed to aid with high torque transfer, along with hard zones for friction-free contact to allow for high speed turning. The integrated hexagon shaped shoulder of Wera Kraftform Screwdriver Handles also ensures that they remain still when set on a surface, helping to prevent accidental damage or loss. Wera Rapidaptor Technology Available within the range of Screwdriver handles are a number of bit holders featuring Wera’s innovative Rapidapter Quick-Release Chucks, which can be used to quickly secure and lock-in all conventional ¼” Hexagon Bits, with the spring mechanism ensuring simple release by pushing the sleeve forward to easily unlock without the need for additional tools. Materials Wera Screwdriver Handles are manufactured from Hardened Steel and Stainless Steel as standard.