Clean, printable, searchable shop charts — the ones you keep open on the bench. No PDFs, no logins, no ten-year-old forum screenshots. Just the numbers, computed and correct.
Metric ↔ SAE. The nearest socket for any size, and whether it's a safe swap.
Open chart →Fraction, number, letter & metric — with the closest bit in every system.
Open chart →The right tap drill for every thread — plus a custom thread-% calculator.
Open chart →Thread, diameter, the wrench that fits, and how to read grade markings.
Open chart →Diameter, area, resistance & amp capacity — with a wire-size finder.
Open chart →Identify any drive (Phillips, Torx, hex…) and head shape at a glance.
Open chart →Gauge to diameter, plus the right pilot hole for soft & hardwood.
Open chart →Which screw for which material — sizes, uses & how to measure.
Open guide →Metric & SAE hex keys, and which key fits each socket screw.
Open chart →Penny sizes decoded — 2d to 60d in inches & mm, with uses.
Open chart →Which grit for which job, plus CAMI ↔ FEPA equivalents.
Open chart →