Ferrule, Contact Finish Tin, Contact Material Copper, Ferrule Diameter 0.16 in, Ferrule Material Copper, Insertion Length 5/8 in, Insulation Color Yellow, Insulation Material Polypropylene, Maximum Operating Temperature 221 Degrees F, Minimum Wire Size 10 AWG, Maximum Wire Size 10 AWG, Termination Style Crimp, Standards CSA C22.2 No. 291-14, DIN 46228, UL 486F, Barrel Diameter 0.24 in, Barrel Finish Tin Plated, Barrel Length 0.32 in, Barrel Material Copper Designed with seamless barrel to contain loose wire strands for superior terminations. This ferrule eases insertion of wire into terminal block, and is suitable for limited-space panel applications.