Priemyselné

27 mm; 1/2"; 6-hranná

30 mm; 1/2"; 6-hranná

30mm; 1/2"; 6-hranná

32 mm; 1/2"; 6-hranná

32 mm; 1/2"; 6-hranná

34 mm; 1/2"; 6-hranná

36 mm; 1/2"; 6-hranná

38 mm; 1/2"; 6-hranná

17 mm; 3/4 "; 6-hranná

17 mm; 3/4 "; 6-hranná

18 mm; 3/4"; 6-hranná

19 mm; 3/4"; 6-hranná