2692 led screw cap products are offered for sale by suppliers on Alibaba.com, of which lamp holders & lamp bases accounts for 31%.
A wide variety of led screw cap options are available to you, such as copper, bakelite and aluminum.You can also choose from black, green led screw cap,as well as from bayonet led screw capAnd whether led screw cap is eco-friendly, {2}, or {3}.