Description:2pcs Eyeglasses Angle Ruler Measuring Tool Protractor Pantoscopic Angle Meter
Specification:Color: White
Weight: 21g
Size: 70x70x9mm
Material: ABS,Stainless Steel
Functions: Measuring pantoscopic angle
Features:Clear and accurate scale, flexible pointer
The PA angle needs to be between 10° and 15°. It is recommended to be 12°. If it is outside this range, please adjust the frame.
Package Included:2 x Eyeglasses Angle Ruler
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