This pack of 20 ALM clip-on blades is designed to fit early Flymo and Black & Decker lawnmower models with figure 8 type mounting. Compatible units include Flymo Sprinter E25, E250, Sprintmaster XE250, XE300, and BLACK & DECKER GX302, 260, 300, 200, 250, 303, GE700, Q5, H5, HX3, T1, GR102, 101, R51, R4, R12. These blades ensure reliable cutting performance and easy installation, helping you maintain your mower’s efficiency with precision-engineered replacements.