Product advantage 2 / application: – For lambda probe (Wrench size 22 mm) on VW, AUDI. Long design. Surface: chrome-plated. Made in Germany. Wrench size: 22. Total length (for class): 110 mm. Drive: Square, hollow 12.5 mm (1/2 inch). Output: Outside hexagon profile. Diameter d1 (output side): 41 mm. Net weight: 0.51 kg.