From the Manufacturer
The .080 inch SpeedSpool replacement line fits the following Ryobi trimmers: 132R, SS725R, 725R, 767R, 775R, 825R, and 875R. Four refills are included. Replacement line is premeasured to eliminate guesswork on how much line is needed. The trimmer line can be replaced without taking off bumphead or cartridge when using Ryobi's unique SpeedSpool cartridge. SpeedSpool dispenses pre-measured line with a single tap.
Product Description
.080 Pre-Measured Speed Spool Line, 4 Refills, For Use With Model#s 105R, 132R, 137R, 705R, 725R, 775R, 767R, 825R, 875R, 975R, 2075R, SS725R & TB32CS.