The total length of 6 inches is 150 mm, the maximum clamping diameter is 13 mm, and the minimum clamping diameter is 6 mm.
8 inch total length 200 mm, clamp maximum diameter 20 mm, minimum diameter 11 mm clamp
6 inch weight: about 180g,
8 inch weight: about 340g
Eight inch wrench weight: approx. 308g