TE Connectivity TERMI-BLOK 3.81mm Right Angle Closed End Terminal Block HeadersTERMI-BLOK 3.81mm right angle mount closed end headers with polarization keying slots. These TERMI-BLOK 3.81mm closed end PCB header terminal block connectors are made from green polyamide 6.6 GF.TE Connectivity TERMI-BLOK 3.81mm Two Part Terminal Blocks