Ferrule Contact Finish Tin Contact Material Copper Ferrule Diameter 0.08 in Ferrule Material Copper Insertion Length 7/16 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 UL 486F Listed Barrel Diameter 0.13 in Barrel Finish Tin Plated Barrel Length 0.28 in Barrel Material Copper