Has a small envelope only measures about 7/8 inch square and 1/2 inch thick not counting the shaft .
The shaft is about 9/16 inch long.
Two-gang variable, one section is a 80pf and the second section is 160pf.
When the two sections are connected in parallel you have a 240pf capacitor that will tune the AM band when used with Crystal Radio Supply's Coil part number Coil-9.
Each section also has separate trimmer capacitors.
Comes with mounting screws.