After 30 years of testing, DR Power's 175-mil Blue Spiral Premium Trimmer Cord is built tough to tackle your toughest projects. This specially formulated cord is made to handle the toughest grasses and dense weeds, ripping through brambles, cattails, and swale grass with ease. Options available: 24 pre-cut 25" peices80' bulk roll | DR Power 175-Mil Premium Trimmer Cord | Size 25"