Improve your traction!
Now you don't need the local tire shop for tire siping. You can do it yourself with these handy Manual Sipers. That's especially important if the tires are used, because many shops won't sipe used tires. These lightweight, compact sipers feature a unique design that's is easy to use with its Six common utility knife blades (ie.Stanley brand box cutter) that are easily adjustable. These sipers are constructed with a lightweight aluminum frame and curved hi-tech plastic base pad that allows snag-free operation. 

Get more sipes per swipe! 6-blade push or pull style siper quickly and precisely sipe tires for better traction. Unit has adjustable sipe depth. Lightweight siper use standard utility blades and are constructed for heavy duty use. 

This siper is designed to be pulled or pushed.