Compatible with models: Parkside trimmers from the LIDL brand PRTA 20-Li A1 - IAN 311046, PRTA 20-Li B1- IAN 330831, PRTA 20-Li B2- IAN 334231, PRTA 20-Li C3- IAN 351753. PRTA 20 -Li C3- IAN 365589,PRTA 20-Li C3- IAN 385583,PRTA 20-Li C3- IAN 402319,PRT 300 A1- IAN 360066,PRT 550 A1- IAN 311404,PRT 50 A3 - IAN 33 0241, PRT 550 A3- IAN 351652Reel characteristics: 2 x 4 m Spiral-shaped nylon copolymer resin and synthetic trimmer. The portable line with a diameter of 1.6 mm provides fast cutting and a longer service life. Durable material: Premium automatic trimmer spool and durable nylon copolymer line with helix design, flexible and durable. Economical and time-saving - Quick and effortless tool-free snap-on change. Professional CNC cutting and automatic winding are safer and faster than manual winders. Reduce damage and do not jam when mowing. Precautions for use - Wear protective glasses and long underwear when using this product to avoid injury due to overflowing lines. Unplug the power outlet before replacing, installing or removing accessories. This cordless power supply is only suitable for young grass. Powerful weeds use other tools such as blades to trim