Echo 99944200486 Hedge Clipper Attachment, 50 In. Genuine OEM Echo Part 20" double-sided, double-reciprocating commercial cutter blades for quick, clean trimming and sculpting Extra heavy-duty, commercial grade gear case for outstanding longevity For use with PAS-225/230/231/260/261/265/266, SRM-210SB/211SB/225SB Replaces: 99944200485