Features: * new and high quality. *High Impact ABS material provides strength & durability. *No tools needed to install. *Snaps in place over spool line. *Snaps into place quickly & easily without the need for tools for efficient spool replacement. *Protects your line and keep it in place on your string trimmer. *Solid and durable, long service life. *Easy to install and reliable to use. Specifications: *Fitment: For Parkside - PRT550 A1 (311404), PRT550 A3 (330241) For Parkside - PRT 550 A3, IAN 330241, IAN 351652 For Florabest - FRT550 A1 (290202) *Color:As Pictures Show Package Contents: 2 * Spool Cap 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. Please allow slight manual measurement deviation for the data.