Electrial terminal block is general name. it includes screw terminal block, pluggable terminal block, screwless terminal block, barrier terminal block and feed through terminal blocks.Pitch havs 2.54/3.5/3.81/3.96/5.0/5.08/6.35/7.5/7.62/8.25/8.50/9.50/10.0/10.16/12.0/13.5/15.0/19.0mm. etc. Those items are designed in according to IEC60998,UL1059 and CSA C22.22 No.158 standard. Now all of material are with ROHS compliant.