Made of high material, durable and practical to use.Easy to install and convenient to use.Work with low noise and steady performance.It is easy to install and the pull string is easy to retract.Fits 450E 500E 550E 575E EnginesReplaces : 591139 590588 593961Compatibility: Fit 08P502, 093J02, 09P602 and 09P702 engines. spins the crankshaft to the engine when you pull the rope, Easy to use with the pull rope for starting the grass cutter.Colour: blackMaterial: plasticSize: 50mmx183mm, installation hole distance is about 172mmPackage Contents:1 * Only the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.