Made of hard metal, super durable.
Easy to Install and remove: they could be disassembled from the tires after winter.
The screw in tire studs can increase the friction between the tire surface and the ground, so as to improve the stability of the vehicle in the process of running, very suitable for driving or riding on snowy days.
It can be installed on the sole to prevent slipping when walking on ice.
Package Includes: 100x Anti-Slip Screws