Fits Specific Husqvarna Models That Require Part# 530404080. It Also Will Fit Other Husqvarna Produced Brands that Require this Part 530404080(AYP, Craftsman, Jonsered, McCulloch, Poulan, Poulan Pro, RedMax, Weed Eater)

RT 10 - Weed Eater String Trimmer, Electric

RT 110 - Weed Eater String Trimmer, Electric

Craftsman String Trimmer 358.745340