PCB terminal block have various clor for choice. and with pith for 2.54/3.5/3.81/5.0/5.08/7.5/7.62/9.5/10.0/10.16/15.0mm. And those items are designed based on the IEC60998,UL1059 and CSA C22.22 No.158 Standard. Now all of materials are with ROHS compliant.