Priemyselné

11 mm; 1/2 "; 6-hranná

12 mm; 1/2"; 6-hranná

13 mm; 1/2"; 6-hranná

14 mm; 1/2 "; 6-hranná

15 mm; 1/2"; 6-hranná

16 mm; 1/2"; 6-hranná

16 mm; 1/2"; 6-hranná

17 mm; 1/2"; 6-hranná

17 mm; 1/2"; 6-hranná

18 mm; 1/2"; 6-hranná

18 mm; 1/2"; 6-hranná

19 mm; 1/2"; 6-hranná