Question : Does it come with trimmer line?
Answer : Yes, it includes 16 feet of pre-cut trimmer line.
Question : What trimmer line sizes does it accept?
Answer : It accepts .080 and .095 inch trimmer line.
Question : What other trimmer brands is this compatible with?
Answer : It fits Toro and Homelite trimmers, as well as Ryobi 2 cycle and 4 cycle trimmers post 2004.
Question : Will this fit model p2008 ?
Answer : Model P2008 is not on the compatible models list, so I say no. COMPATABLE MODELS - Ryobi P2009, P2090, P2009BTL, P20101, P20110, P20101BTL, RY40202, RY40220, RY40202BTL, RY40205, RY40250, RY40205BTL, RY40203, RY40230, RY40203BTL, RY40207, RY40270, RY40207BTL, RY41135, RY41131, Ryobi 2 cycle and 4 cycle trimmers post 2004
Question : Will this fit the electric ryobi weedeater?
Answer : Works with RYOBI 18-Volt bump feed trimmers (P2090, P20110), 40-Volt bump feed trimmers (RY40220, RY40250, RY40230, RY40270), and AC trimmer RY41135. Josh's Junctur
Question : Is a speed feeder spool available for 40 volt weed eater
Answer : Y
Question : Will this work with RY40002?
Answer : COMPATABLE MODELS - Ryobi P2009, P2090, P2009BTL, P20101, P20110, P20101BTL, RY40202, RY40220, RY40202BTL, RY40205, RY40250, RY40205BTL, RY40203, RY40230, RY40203BTL, RY40207, RY40270, RY40207BTL, RY41135, RY41131, Ryobi 2 cycle and 4 cycle trimmers post 2004 Joseph Martin
Question : Will this work on the 40v model RY40002?
Answer : Works with RYOBI 18-Volt bump feed trimmers (P2090, P20110), 40-Volt bump feed trimmers (RY40220, RY40250, RY40230, RY40270) and AC trimmer RY41135
Question : Will this work with ry4021b or ry40001a?
Answer : Check the contents, It maybe a touch more costly
Question : Will this work with ry28005?
Answer : I didn't see the exact model number ry28005 in the list. But if it looks close to your physical unit it may be OK. Usually Amazon is good for taking returns. It's just the timing. You could also call Home Depot and ask them to see if it's compatible.