Features: 1) Brass or aluminum material, glass interior 2) Specification: BA15S, BAU15S 3) Without threads 4) Finishes: brass-acid wash, brass-nickel plated, aluminum-oxidation 5) With flanging and cutting 6) Main application: auto lamp base 7) Sea transportation, safe and reliable structure Outer packing: 5,000pcs/export carton Carton dimensions: 47 x 31 x 19mm N.W.: 11kg G.W.: 12kg