10/20pcs E10 Lamp Holder With Wire Small Lampholder E10 Base Teaching Instrument Experiment Wire Length 20cm Base E10 Lampholder
https://www.vogueparade.com/shopping/EN/530/1/1005003671557336/1020pcs-e10-lamp-holder-with-wire-small-lampholder-e10-base-teaching-instrument-experiment-wire-length-20cm-base-e10-lampholder//