Includes piston compressors,aring expander, ring groove cleaner master took kitfor piston ring service
3pc Piston ring compressor:3"(53-125 mm), 3-1/2"(90-175mm), 4" (90-175 mm)
1pc Piston ring plier 40-100mm
1pc Piston ring groove: Cleaning fits 2"-5"(51-127 mm)
3pc Blades,fits 1/16"-3/16"，2.0mm to 4.5mm, 1.2mm to 5.5mm
1pc offset screwdriver: Flat, Phillips
