LH0202 8, 10 & 13w G24d-1, GX24d-1 2 pin CFL lamp holder/socket with two hole vertical mounting
4-pack G24d To E27 Lamp Base Adapter, 2pin,21.8mm Gx24d-e27 Holder Converter, European Standard G24,free Ship! - Lamp Holder Converters - AliExpress
E-Simpo G24d to E27 Adapter, 2P Light Socket Adapter, 21.8mm,G24 to E26/E27, GX24d to E27 Lamp Base Converter, Rohs.Need Bypass The Ballast! (60-Pack) - Amazon.com