Item No.: B01N021
Features:  
.FITS MULTIPLE SIZES: it can be used on many makes and models of cars and trucks, sizes ranging from 3"-5"   
WRINKLE BAND COMPRESSOR: Notched design greatly reduces friction and allows the piston to easily slide into the cylinder, preventing damage to the rings   
.CORRUGATED BAND DESIGN: Keeps pistons from accidentally slipping down too far into the cylinder   
.SET IT AND FORGET IT: Cam action compression lets you set the piston diameter just one time (rather than having to reset it for each piston)   
.SAVE TIME AND MONEY: This Piston Ring Compressor allows fast and easy insertion of all piston assemblies   
  
Specifications:  
.1-1/2" deep, low friction wrinkle band.  
.Fits 3" to 5" pistons.  
.Works with motorcycles and aircraft engines.