Fits Adaptor Size: M10 X 1.25Used on Trimmer Line:2.4mmX2.5m Note:Please check the installation size of your original grass head before proceeding with your order, thank you! EchoPAS-225 (S59511001001-S59511003000) Gas Power Source AttachementPAS-225 (S59511003001-S59511999999) Gas Power Source AttachementPAS-225 (S59612001001-S59612022000) Gas Power Source AttachementPAS-225 (S59612022001-S59612999999) Gas Power Source AttachementPAS-225 (S86813001001-S86813999999) Gas Power Source AttachementGT-2200 Curved Shaft Grass TrimmerSRM-225 (S03912001001 - S03912999999) Straight Shaft Trimmer / BrushcutterSRM-280 (S74012001001 - S74012999999) Straight Shaft Trimmer / Brushcutter99944200907 Speed-feed 400 HeadSRM-2620 (T87114001001-T87114999999) TrimmerSRM-2620 (T89415001001-T89415999999) TrimmerSRM-2620T (T87214001001-T87214999999) TrimmerSRM-2620T (T89515001001-T89515999999) TrimmerSRM-2620U (T87314001001-T87314999999) TrimmerSRM-2620U (T89615001001-T89615999999) Trimmer Specification: Condition: 100% Brand New Material: Plastic Color: Black Product Size: Approx. 4.07*4.07*2.34inch/10 x 10 x 6 cm Package Weight: Approx. 10.58oz Package Included: 1pc Trimmer Head How to Restore :1.You don’t take it apart. You spin it until the arrow lines up with the hole.2.Then you just feed about ten feet of line on each side and spin it.3.It spools up as you spin.If you have leftover line inside the spool you will need to take the unit off to empty the line.4.You are supposed to be able to press-in the panels on the side enough to clear the retaining ledge to free the top of the unit to pull out the spool (you have to do this on both sides) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. There may be slight deviation for the measurement data. Please allow 1-2cm error due to the hand measurement . 3. Due to different purchase batches, that product details will slight different. On Dec 8, 2023 at 02:47:27 PST, seller added the following information: