size:
6 inch: length 16cm, opening 3.6cm, jaw depth 2.9cm, weight 203g
8 inch: length 21cm, opening 3.8cm, jaw depth 3.3cm, weight 305g
10 inch: length 25cm, opening 5.1cm, jaw depth 4.3cm, weight 529g
12 inch: length 30cm, opening 5.7cm, jaw depth 5.8cm, weight 846g