Piston ring pliers are a tool that enables piston rings to be removed or installed quickly and easily without the risk of breaking or distorting them. 

Universal design of this piston ring pliers will work with pistons across a range from 50-100mm, which suitable for most vehicles. 

The spring action and self-locking design enables rings to be compressed in small increments. 

Smooth gripping edge prevents damage to piston ring during installation.
Three options:

50-100mm
80-120mm
100-160mm