CamBlock Plus 5.08mm Low Profile PCB Terminal Blocks – CamdenBoss CTBP0508/6, This 6-pole low profile rising clamp terminal block is part of the CamBlock Plus range from CamdenBoss. These green blocks are made from flame retardant polyamide. CamBlock Plus CTBP0508/6 5.08mm Low Profile Pcb Terminal Block 6 Pole