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
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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