Lampbase, porcelain lamp holder, ceramic lampsocket 1)e27, e40, e26, e14, b22 2)ce/lvd/rohs 3)metal:copper/iron/aluminium Specifications 1.4a, 250v lampholder 2.Fast delivery 3.Customized design 4.E12/e14/e26/e27/e39/e40/b20 5.Safe, durable& competitive price Material: porcelain, iron/aluminium/copper/brass/sta... Surface: matt/glazed, or as you request rating: 4a, 250v Meas:41x32x25 Packing:400pcs G.W/n.W21/20kg