Priemyselné

19 mm; 1/2"; 6-hranná

21 mm; 1/2"; 6-hranná

22 mm; 1/2"; 6-hranná

22 mm; 1/2"; 6-hranná

24 mm; 1/2"; 6-hranná

24 mm; 1/2"; 6-hranná

27 mm; 1/2"; 6-hranná

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