This electronic ruler is equivalent to 9.9m steel tape+99m rangefinder+compass, suitable for straight line measurement, arc measurement, arbitrary curve measurement, irregular surface measurement and cylinder diameter measurement in daily life...

This rotatable handle wrench is an essential addition to your toolbox, long-lasting, and practical.  Features: Ratchet wrench allows the-head to rotate up to 180 degrees to access hard-to-reach fasteners, allows...

This laser level is widely used for any job that requires straight lines or accurate measurement, such as hanging picture, shelf or air-conditioning installation, building construction, interior decoration, DIY room...

The 4D laser level meter can emit visible laser horizontal and vertical lines for the automatic leveling separately or simultaneously. Provides accurate horizontal and vertical datums for indoor construction stakeout...

This product is a simple experimental model of hand generator which benefits children's intellectual development and hands-on ability. Besides, while installing and playing, kids can better understand the main structure...

Features: With highly efficient and accurate, the salinometer has measuring range of 0~199.9ppt and +/- 2%F.S accuracy.  Lightweight and portable, its high precision LCD displays the measurement result clearly.  The...

Features: 8 charging ports, USB+ PD+QC3.0, quick charging and stable output.  LED color display screen shows the charging status of each USB port.  10W wireless charging, USB cable is not...

Features: LEDs display, large number, clear font, interface information at a glance. It's not only a clock, but also a nice decoration for your bedroom.  Display time, date, and 12/24...