Product advantage 2 / application: - For injection lines. Open 12-Point Socket for the operation of screwed connections on injection lines. Surface: chrome-plated. Made in Germany. MERCEDES-BENZ 100, 130, 314, 360, 360h, 352A, 346/355, 401, 402, 403, 407h, 615, 616, 617. Long style. Inside square (Robertson) drive 12.5 = 1⁄2". Wrench size: 17. Total length (for class): 120 mm. Drive: Square, hollow 12.5 mm (1/2 inch). Output: Outside 12-point profile. Net weight: 0.15 kg.