American dimensions. With knurling. Surface: chrome-plated, polished. Made in Germany. Drive: Square, hollow 12.5 mm (1/2 inch). Output: Outside 12-point traction profile. Wrench size: ∙ 1.1/8 ″. Dimensions / length: 47 mm. Diameter d1 (output side): 38.2 mm. Diameter d2 (drive side): 26.5 mm. Net weight: 0.14 kg. For manual operation.








