Fits for GX340(11HP) GX390(13HP) GX610(18HP) GX620(20HP) Generator Parts Replacement manufacturer part : 28400-ZE3-W01 28400-ZE3-W01ZA Replace 31-060, Rotary 26-10379, 150-707 Length center to center hole is 200mm/7.87in 1. quality replacement for lawn mower pull . 2. Easy to use with the pull rope for starting the grass cutter. 3. perfect replacement for the broken of grass cutter. Material: Metal Dimension: 48 x 210mm / 1.89-inch x 8.27-inch (H x D) Mount Hole Diameter: 6mm / 0.24-inch Mount Hole Distance: 100mm / 3.94-inch Core Dia.: 50mm / 1.97-inch Main Color: Black andRed Package include: 1 x with steel plate ratchet Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.