1.UV lamps cap/base,lamp holder 2.high quality,material:plastic,stainless steel,ceramic 3.suitable for all kinds of uv lamp 1.UV lamp cap,lamp base,lamp holder is suitable for all kinds of UV lamp.2.single pin,2 pins and four pins are available.3.High stable performance. uv lamp fittings,uv lamp cap,uv lamp base,uv lamp holder (ceramic,plastic or stainless steel)