4.5 to 20pF Ceramic Trimmer Capacitor, suitable for repair of older equipment that uses higher voltages including valve Transceivers.

These are a surplus stock item and are new old stock.  Specifications of brand are unknown but they are expected to have at least a voltage rating of 250vdc with a breakdown rating of 500vdc, 

Size is 7.0mm Diameter x 6.72mm High, Lead spacing 3.5/7.5mm 

10% Discount 5+ pcs, 20% discount 25+ pcs