Antislip handle grips

6-mode: Standard/High/Over drive/50% Flashing/100% Flashing/Strobe
Waterproof: for rain water only, do not soak
It can be used as a normal bike front/rear light, or a strobe warning lamp for night riding safety
Super bright LED COB as light source, 26chips, high illumination
Vertical or horizontal mount to the bracket, tilting degree adjustable

Original
High quality

A hex key, also known as an Allen key or Allen wrench, is a small handheld tool that’s used for for driving bolts and screws with a hexagonal socket. They are available in many different sizes, though they all have the same hexagonal-shaped tip