Piston Rings Std / Stihl 1122 034 3000Pack Size:1Stihl 1122 034 3000Ahlborn FOR-6327Stihl 046, 064, MS 460, MS 461, MS 640, MS 650 chain saws; GS 461 Rock Boss concrete cutter; TS 480i, TS 500i CutquikCylinder Diameter: 52 mm, Ethanol: Not compatible with greater than 10% ethanol fuel, Packaged in reusable protective polycarbonate case