Fits GX340 (11HP), GX390 (13HP), GX610 (18HP), GX620 (20HP) generator models. Replacement for part numbers: 28400-ZE3-W01, 28400-ZE3-W01ZA, 31-060, Rotary 26-10379, 150-707. Center to center hole length is 200mm / 7.87in. Quality replacement for lawn mower pull starter. Easy to use with pull rope for starting the grass cutter. Ideal replacement for broken or worn pull starters. Material: Metal. Dimensions: 48 x 210mm / 1.89 x 8.27 inches (H x D). Mount hole diameter: 6mm / 0.24 inches. Mount hole distance: 100mm / 3.94 inches. Core diameter: 50mm / 1.97 inches. Color: Black and red. Package includes: 1 x ratchet with steel plate. Note: Light and display differences may cause slight color variation between image and actual item. Measurement error allowed is +/- 1-3cm.