... crimping requirement of the terminals.Application of terminals:Ferrules,25,35,50mm2Twin ferrules,2*0.5,1.0,1.5,2 ... .0,2.5,4,6,10mm2Insulated O type or Y type terminals,1.0,2.0,2.5,3.0 ... ,4.0,6.0mm2Non-insulated O type or Y type terminals,0.5,1.0,1.5,2.0 ...