Special Features
Designed to inspect cannon bores; 29 ft 9 in. Assembled lg; 3 extension tubes; bore size 42 ft 8 in. Max lg 57 mm min diameter 280 mm dia; w/rempovable head; 57 mm through 90 mm illuminating head 90 degrees prism 105 mm through 280 mm; elec oper ac 110v 60 hz 110v lamp; w/carrying case
