1.4 line spot light adaptor 2.for track light,metal halogen light etc. 3.pc body,brass contact. 4.with CE&RoHS Name4 ... °CColorBlack/WhitePackage60pcs/bag,5bags/ctnMOQ100 pcsN.W. (gs/pcs)551.4 line spot light adaptor, used for track light,metal halogen light ... on.2.Screw fixing vertically3.PC body,phosphor bronze contacts,4.We have the lamp holders of G23,G24,2G11,2G7 ...