WZ-YG001 Trial frame, 52g, high quality

1.Specification:
1)  Rangeof PD scale: 50～80mm
2）Single side(right or left) scale: 25～40mm
3）Minimum scale Value: 1mm
4）Axis scale step: 5°
5）Lens holders on right/left side available for 5 pieces of standard trial lenses inserted simultaneity
6）Range of nose bridge adjustment: Height: 0 ～23mm;  Angle: 0°～360°
7）Weight: 52g