Gage shown open for mastering or measuring. Gage folded for insertion or removal. Inside Diameter Double-Turret Gages This gage was designed to fit through a diameter much smaller than the one to be gaged. A double- turret gage can check an I.D. up to two times larger than the hole it will pass through. Single-turret gages can be designed for I.D.s up to one and one-half times larger than the hole it will pass through. Accurate gages have been supplied that will reach 36" deep. Turrent gage shown open for inspecting parts. Special Gaging 262 S pecial G aging