process machines These machines are able to modify the original appearance of the basic chain. They work by means of pairing, deforming, removing or adding of elements. Certain models carry out finishing processes of the collar. SBL FZA BK/EF BK/EFF BK/EL TRA/V – TRA/VP BT15 STO SB/R SAT-SAT/C SAF/T SCF SAF SLF