Special Features
5designed to inspect cannon bores; 7 ft 6 in. Assembled lg; bore size 8 ft 8 in. Max lg 20 mm min diameter 40 mm max dia; w/removable head; 20 mm illuminating head 37 mm through 40 mm illuminating head; elec oper ac 110v 60 hz 6-8 v lamp; w/carrying case