Ferrule Contact Finish Tin Contact Material Copper Ferrule Diameter 0.06 in Ferrule Material Copper Insertion Length 15/32 in Insulation Color Gray Insulation Material Polypropylene Maximum Operating Temperature 221 Degrees F Minimum Wire Size 18 AWG Maximum Wire Size 18 AWG Termination Style Crimp Standards CSA C22.2 No 291-14 DIN 46228 Part 4 Barrel Diameter 0.11 in Barrel Finish Tin Plated Barrel Length 0.24 in Barrel Material Copper