Adult Adjustable Trial Frame
Easy to use and light-weight adjustable adult trial frames. Lens holders on right/left side available for 5 pieces of standard trial lenses inserted simultaneously. Range of PD scale: 50~80mm Single side (right or left). scale: 25~40mm; Minimum scale Value: 1mm. Axis scale step: 5°. Range of nose bridge adjustment: Height: 0~23mm. Angle: 0°~360°. These light-weight frames weight only 61g.