Phoenix Contact COMBICON SPT 5.0mm PCB Terminal Blocks. SPT 2,5 series 5.0mm pitch through hole vertical and horizontal mounting PCB terminal blocks with screwless push-in spring cage terminals for solid or stranded wire with ferrules. For non-ferruled wires the terminal is opened using a screwdriver. For screwdriver see stock number ; 803-4323 803-4323 For ferrule crimping pliers see stock number ; 803-4405 803-4405