NSKI 3.5X420mm Binocular Loupes DY-102 Optical Glass Plastic Frame with Antifog Black auspowers_batchthree Square shoulder allows for nut

Square shoulder allows for nut to be tightened or loosened

DIN style Bourdon tube : Copper alloy Movement and Connection : Brass IP class : IP43 Pressure range : 0-200psi/kpa

4A) Input Voltage: DC 12V-24V Output Voltage: DC 5V Output Current: 4

which will not fade under prolonged exposure to the sun

NSKI 3.5X420mm Binocular Loupes DY-102 Optical Glass Plastic Frame with Antifog Black auspowers_batchthree Square shoulder allows for nutNSKI 3. 5X420mm Binocular Loupes DY 102 Optical Glass Plastic Frame with Antifog Black Specification: Maginification: 3. 5X Working distance: 320 420mm Depth of field: 80mm Field fo view: 60mm Product Features Binocular Loupes Large Depth Field of View; Adjustable Angular Viewing Wide field of view and generous depth of field with high enough power for daily procedures Flip Grip,Ultra Light Weight Flexible Headband,Safety Soft Touch Frame