Various images of Chongtong and Chongtongjeon
  
      161. Jangunjeonchok (Arrowhead of a Jangunjeon) Late Chosun

Left Length : 10.5 Diameter : 9.1 Weight : 3.2kg
Left Length : 12.5 Diameter : 9.1 Weight : 3.2kg
Courtesy : Military Museum