Compliance
CE Marking Size Requirements: 5 mm, and Where It Goes
CE marking size requirements start at 5 mm high with locked proportions. Where the mark goes on product, packaging or documents, and what UKCA changes.
Field Notes
Tips and guides for adding size annotations to your product images
Conversion
How to Display Product Specifications: Table, Image, or Both
How to display product specifications so buyers read them: Baymard 344-site data on spec scannability, in-scale images, and where dimensions belong.
B2B & Suppliers
Rockwell vs Brinell vs Vickers: No Exact Conversion
Rockwell vs Brinell vs Vickers: what each test measures, which parts can take which, and why ASTM E140 calls every hardness conversion approximate.
Photography
How to Photograph Small Parts: Why the Coin Trick Fails
How to photograph small parts so buyers can judge size: the 85% frame-fill trap, depth of field under 2 mm, and why a coin for scale backfires.
Conversion
Text Size on Product Images: 6 Myths and a 16 mm Test
Text size on product images is set by a 16 mm tile, not your 1600 px export. The blur test, the contrast targets, and 6 myths that make dimensions vanish.
Seller Growth
Product Spec Change Checklist: 9 Places It Stays Wrong
A product spec change checklist for exporters: the 9 places one dimension is published, which field breaks first, and how to close the loop in one pass.
B2B & Suppliers
ECT vs Mullen: Equivalent on Paper, Not on the Pallet
ECT vs Mullen decides whether your carton survives the stack or the forklift. What 32 ECT and 200# really certify, and which one you should specify.
Compliance
EUDR Furniture Requirements: No Grace Period for Wood
EUDR furniture requirements start 30 December 2026 — and wooden-furniture SMEs get no extra six months. The exact data your buyer needs from you.
Compliance
STURDY Act Requirements: 27 Inches, 30 lb, 3.2 Cubic Feet
STURDY Act requirements catch any dresser 27 in tall, 30 lb, with 3.2 cu ft of enclosed storage. The scope thresholds, the tip-over tests and the key dates.
B2B & Suppliers
Casting Tolerance Grades: What DCTG 12 Actually Allows
Casting tolerance grades decide what a foundry may ship. The ISO 8062-3 DCT chart in mm, the RMA machining allowance table, and how to write the callout.
Compliance
4x6 vs A6 Shipping Label: 3.4 mm Apart, Not Equal
4x6 vs A6 shipping label sizes differ by 3.4 mm in width and 4.4 mm in height. What GS1 requires for barcode size, placement and when to move up to A5.
B2B & Suppliers
ABEC vs ISO Bearing Tolerance Class: Two Scales, One Trap
ABEC vs ISO bearing tolerance class mapped in one chart, plus the inch-series scale that runs backwards and the runout a class upgrade actually buys.