Black & Decker RB30 4-Inch Grass Shear Replacement Blade Interchangeable blade design fits GSN30, GSN32, and GSL35 Durable steel construction for longer life 4-Inch grass shear blade 4-Inch grass shear blade for trimming around flowerbeds, posts, and fence lines Durable steel construction for longer life Interchangeable blade design fits GSN30, GSN32, and GSL35