Profile Projector Protractor Screen Attachment from Japan
Angular measurement protractor overlay that attaches to profile projector screens for direct angle readings from magnified projections. Specifically engineered for 9031.80.40 shadowgraph screens. Falls under HTS 9031.90.70.00 as a dedicated accessory.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide installation photos/manuals showing screen-specific mounting
• Avoid generic protractor classification by specifying projection scale integration
• Declare magnification range compatibility explicitly