: Compatible with 450 HUNDURE0507 Chainsaw EASY START AND RUN: Current flows through the ignition coil and transfers power to the spark plugs. The electricity creates a spark inside the spark plug, which ignites the fuel in the engine, making the chainsaw run. If the spark plugs are not sparking, your ignition coil is defective and needs to be replaced. This ignition coil increases ignition energy strength to keep your chainsaw starting easily and running smoothly HIGH QUALITY MATERIALS: This ignition coil not only improves combustion efficiency, but also enhances electrical performance. Experience a stronger spark with fast recovery and response times. EASY INSTALLATION: Both professional mechanics and DIY enthusiasts can easily replace ignition coils quickly and efficiently. Please wear safety glasses and gloves before servicing as a reminder that safety comes first. Colour:As Shown Material:plastic+metal Size:10 x 5 x 3cm Package Contents: 1 x chainsaw ignition Only the above package content, other products are not included. Note: Light reflection 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.