About item.guide
A fast, clean reference manual for standard dimensions, codes, and physical specifications.
Why item.guide Exists
Looking up standard dimensions and specifications online often means digging through pages of search-engine filler, ads, and irrelevant commentary.
item.guide is built with a simple goal: Direct Answers First. We organize and present verified numbers, pinouts, standards, and nutritional benchmarks from recognized standards organizations (such as ISO, DIN, ANSI, ASME, ASTM, IEC, NEC, USDA, and EFSA) in structured, easy-to-read reference tables.