【HIGH QUALITY】: Long life-span matters! Dokili piston ring filer are made from high-quality aluminum to ensure it can work a long time.
【FUNCTION】:To assure proper piston ring end-gap, the piston ring filer enables the user to file piston rings quickly and accurately,reduces the chance of overgrinding and dropping the ring.When building an engine it is extremely Crucial to have the proper piston ring gaps.
【HOW TO USE】:Position the piston ring firmly against the dowel pins, crank the handle to turn the abrasive wheel.
【PACKAGE INCLUDES】: 1 X Pedestal 3 X Grinding Wheel 1 X Connecting shaft 1 X Rocker 2 X Screw