Kraftform Kompakt 27 RA 1Application: Suitable for bits with 1 4" external hexagon drive as per DIN ISO 1173 C 6. 3 and Wera connection series 1 Design: Ratchet with fine toothing integrated in the handle, intuitive switching, use position 0 to deactivate the ratchet mechanism for precise working; 1 4" hexagonal bit mounting, magnetic; stainless steel sleeve, strong permanent magnet. 6 BiTorsion bits for a long product life, tough, for universal use. Take it easy tool finder: