Perrygraf Pocket Slide Rule from Canada
Compact 5-inch slide rule for field engineers featuring A/B/CI/D scales for basic computations. HTS 9017.20.4000 classification for portable mathematical calculators. Aluminum construction with protective cover.
Duty Rate — Canada → United States
13.9%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify 'pocket-size' (<15cm) to distinguish from full-size drafting rules
• Engineering catalogs as supporting documentation prevent toy classification
• Metal construction requires no special handling beyond standard instrument rules