Special Features
Flexible; insertion tube, 242.5 to 247.5 cm lg; 6.3 mm dia, depth gage marks 360.0 degrees white stripes 2.0 mm w every 2.0 cm to a lg of 220.0 cm; spring 7.0 mm id by 80.0 mm min lg mtd in 8.7 mm od control head; w/two light guides, one working channel and objective lens