The JK402P (Piccolo) is a 18Ft boom 2 element 40m Yagi that has excellent gain and F/R. The elements are loaded Capacitively & Inductively which shortens the overall length while still maintaining a good performance across the 40M band.
This antenna is made for the DX'er or Contester that is looking for an antenna to work across the globe with a compact footprint.
It is made with very high quality materials and the best in its class in the market in terms of mechanical construction and electrical performance.