Мини авиационный акриловый механизм многофункциональный инструмент для путешествий простой Прочный DIY универсальный измерительный практичный

Description:
This calculation ruler uses acrylic material to adopt the pressing pattern technology.
The slide rule dial can be rotated 360 and slide up and down as needed.
Can be used to measure speed, time, distance, weight, fuel, pressure, density height, unit conversion, direction, drift, etc.
Compact size and lightweight, easy for carry.
Portable, easy to carry and convenient to place.
Specification:
Material:acrylic
Color:as pictures shown
Size:17.2*11cm
Package Includes:
1pc*Ruler
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-2 cm differences due to manual measurement.