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Details.
These Yoked Prism Frames come with an elastic string and are available in 2 lens sizes: 38 mm for pediatrics and 48 mm for adults. These frames also come with a soft adjustable nose piece. Large thumbscrews are on each side so that each prism can be secured.
The 360° compass or protractor helps to position the prism base.
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to
www.p65warnings.ca.gov.