Update your John Deere MaxEmerge XP, XP Pro, MaxEmerge 5, ExactEmerge planter gauge wheel arms to Exact Align Pro to ensure exact relationship of the gauge wheel tire to seed disk opener without the need to grease as would be needed with the OEM. Uses 3 rows of sealed ball bearings. Hardware is provided to ensure correct spacing used during the initial setup. Once installed these arms will provide long service life. They fit both the left- and right-hand applications and are reversible. Includes 2 arms and hardware.