Rotary 7206. FITS LAWN-BOY/RYAN/RYOBI MODELS: 261, 262, 263, 264, 264-1, 265, 265-T, 265-1, 274, 275, 275-1, 284, 285, 500, 500-1, 520, 520-1, 540, 540-1, 580 & 580-1 TRIMMERS.

Replaces
LAWNBOY: 610312