Orange Replacement Blades 96-Pack (CW Sharp Side Leading)All orange line blades mean sharp side leads on Clockwise rotating trimmers. Unlike weak, traditional monofilament line, Aero Flex Line Blades are engineered to lift air and grass for a clean cut with their sharper leading edges. The 4 powerful line blades hit and cut vegetation more frequently during each revolution. As an added bonus, they cut and mulch at the same time. Also, their more rigid design, greater mass and twice the cutters means more