vyrobené z chróm vanádovej ocele leštené antikorózny povlak S-76751: 6,8,10,13,15,17 mm S-76752: 6,8,10,13,15,17,19,22 mm S-76753: 6,8,10,13,15,17,19,22,24,27,30,32 mm S-76754: 6,7,8,9,10,11,12,13,15,17,19,22 mm S-76755: 6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,30,32 mm