Product Review
The Donegan PT 4 Replacement Pivot Screw Assembly fits OptiVisor, OptiVisor LX, and AccurSite series magnifiers to attach the magnifier visor to the headband. The assembly has a knurled knob for secure installation.
Donegan Optical manufactures precision visual devices such as magnifiers and optical loupes. The company, founded in 1952, is headquartered in Lenexa, KS.
