FDLTCP™ Engineering - Unified 4D Space-Time Measurement Tools Unify Spacial Dimensions Of Both Calibrated Imperial Units, Metric Units, And A Spherical Earth Time To Distance Constant, Along With Providing A Dobit Length For A Given Distance, Which Is Useful For Computer Engineering That Requires Calculations Down To The Nanometer Scale.
FDLTCP™ Engineering - Unified 4D Space-Time Measurement Tools Are Manufactured By Injection Molded Polypropylene Plastic. They Are Available In Several Colors, Including Dark Blue, Pink, Purple, Yellow, White, Silver, & Black.