20 mm (3/4″) square drive. Socket bits and operating elements made of CV steel Contents: 1 lever-action reversible ratchet 24 teeth (L 510 mm) 1 hex socket bit ea. in AF 22, 24, 27, 30, 32, 36, 38, 41, 46, 50 mm 1 extension ea. in 200, 400 mm 1 T-handle with sliding collar (L 460 mm)