You are bidding for the vintage  x4 gang Air Capacitor 100/100/100/530 pF Silver Ceramic Tuning HAM crystal radio ... used ... capacitance of the sections is about  110/110/110/530 pF ... good quality ... aluminum body and plates ... body measures 170 x 90 x 53 mm, weight about 1.0 kg ... geared shaft, D = 6.0 mm ... flexible joint ... all numbers are approximative ... actual photos are part of description