Easy Heat ADKS-800 160-Foot Roof Snow De-Icing Kit Size: 160-Foot Outdoor, Home, Garden, Supply, Maintenance Snow de-icing cable prevents winter damage to roof, gutters, and downspouts Provides uninterrupted path for melting water to flow off roof Suitable for most roof and gutter configurations; available in several lengths Easy to install; no maintenance required Includes 6 clips and 2 mounting screws