The spiral grooves of the low noise mowing lines considerably reduce wind noise The Stihl 00009302247 is a replacement roll of Orange Line Round for use with Stihl cutting heads. It is ideally suited for use with electric and cordless brushcutters due to the reduced noise level. Stihl professional tip - leave your new mowing line in water for 24 hours before use. This will increase the flexibility and lifespan of the mowing line. Features: The spiral grooves of the low noise mowing lines considerably reduce wind noise This mowing line is ideally suited for use with electric and cordless brushcutters due to the reduced noise level Replacement round and quiet mowing line for STIHL cutting heads Specification: Diameter: 2.4mm Roll length: 420m Colour: Orange