2 to 9pF 809 090 Series Vishay Film Dielectric Trimmer Capacitors, top adjustment PTFE dielectric suitable for matching circuits in RF amplifiers and oscillators.
Part # BFC280909004, Colour Clear ( White paint ), Size is 7.7mm W x 8.8mm L x 10mm H. Lead spacing 7.84mm. Freq Resonance 580MHz, Temp coeff -250 +/- 350, Rated at 250vdc
For more information please see the 809-09 series Data Sheet