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rock climbing
Hd LCD backlight display
br/>Reducer is a kind of relatively precise machinery，The purpose of using it is to reduce the speed，Increase the torqueã€
Model: UT12A
UT373 Mini Non Contact Digital Tachometer Display Industrial Tachometer Speed Measuring Instrument Sports & Outdoors overflow: hiddenShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Exquisitely crafted appearance, mini compact Length 120mm width 53mm height 28mm Weight: about 100g (not including battery) 1 Stop the rotating object under test 2 Cut a piece of reflective paper (about 10mm *10mm) and stick it on the object to be tested 3 Fix the tachometer in a stable position, so that the distance between the laser emission and the receiving window of the