Optical tube binocular(20? inclined)
Eyepiece(wide field) 10X (view field .87″ DIA)
Objective 0.8X~8X (zoom)
Zoom ratio 1:10
Infinity parallel optical system and 20? inclined optical tube reduce fatigue.
Coaxial illumination is optical for deep holes that cannot be observed by ring light.
Aperture diaphragm is optional for large depth for dield and high quality image.

Insize 2827-6, BORE GAGE, 2-6", dial indicator range .25", 6928640357213
3M 20909, PSA Cloth Disc 348D, 80 X-weight, 2 in x NH, Die 200P, 7000118873
3M 20245, Neoprene Rubber and Gasket Adhesive, 2141 Light Yellow, 5 Gallon Drum (Pail), 7000121216 