Quick view Add to Cart Hangar 9 Micro Digital Tachometer HAN156 $69.95 inc GST The Hangar 9® Micro Digital Tachometer is engineered using the latest technology. This handy tuning tool can measure the rpm of any engine equipped with a 2-, 3-, or 4-bladed propeller. RPM is displayed in up to four digits, with a range of up to... Compare