Properties Length: 3m. Width: 150mm. Colour: opaque. Description Available in 3 metre continuous lengths and in three diameters (100mm, 125mm and 150mm), Leafline is easy to install. Simply place one or more in your guttering; they even bend around corners. No special tools or training are required and it only takes a matter of minutes. The leafline gutter brush is virtually indestructible, made of stainless steel wire core with polypropylene bristles, so it will be years before you have to think about this problem again. Features Prevents leaves and debris build-up in guttering. Stops birds and rodents entering loft spaces. Easily fitted in minutes, even around corners. Virtually indestructible and maintenance free. Suitable for most domestic gutters. Cost-effective.