Thermocouple Terminal Blocks: Block Type - Thermocouple Terminal; Construction Style - IEC; Themocouple Type - Type J; Themocouple Material - Iron/Constantan; Wire Range - 24-12 AWG; Model Type - MTKD-FE/CUNI; Material - Polyamide 6.6; Mounting - Channel; Block Width - mm - 10.4 mm; Block Width - in - 0.41"; Manufacturer Series - MTKD