Mtd Replacement Spool Fits Ryobi Fits Ace 0.080 Size: 0.080" Dual line speed spool replacement cartridge Fits Ryobi model#s 775, 132R, 137R, 705R, 725R, 767R, 825R, 875R, 975R, 2075R &amp; SS725R Also fits Troy-Bilt model #TB32CS &amp; many other speed spool models Genuine factory label part.