Ferrule Contact Finish Tin Contact Material Copper Ferrule Diameter 0.2 in Ferrule Material Copper Insertion Length 7/8 in Insulation Color Red Insulation Material Polypropylene Maximum Operating Temperature 221 Degrees F Minimum Wire Size 8 AWG Maximum Wire Size 8 AWG Termination Style Crimp Standards CSA C22.2 No 291-14 DIN 46228 Part 4 Barrel Diameter 0.3 in Barrel Finish Tin Plated Barrel Length 0.35 in Barrel Material Copper