When you require exact measuring, you reach for a caliper. But an accurate measurement is meaningless if you can't read it accurately. This caliper takes an essential tool into the 21st century with an extra-large LCD digital readout for exact internal and outside measurements accurate to .001-Inch....

The PT270AIU is a powerful home pre-amplifier that’s been updated for the 21st century — now with support for USB, SD cards, and your iPod or iPhone. Now you can charge your iDevice while playing it back or while using the stereo RCA input on the back. This pre-amp is also equipped with an AM/FM rad...

The bestselling electronics guide for inventors--now updated to feature the latest technologies and new projects Practical Electronics for Inventors, Third Edition is the essential resource for the 21st century workbench tinkerer. Created to help inventors invent, this book offers comprehensive cove...

21st Century's Fiberglass Kerosene Heater Wicks are made of graphite coated fiberglass, a re-inforced cloth band and the highest quality cotton. Wick Model 123 fits Enviro-Temp 6800-30460, Heat Mate HMN-110, Sanyo OHR-240, OHRG-23H, Sengoku CTN 110, Yuasa J5, and more Contact us for a free cross ref...