Suitable for models: matching Lidl Parkside grass trimmer model: 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 TA 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 33024. 1, PRT 550 A3- IAN 351652Spool specification: 2 x 4 m nylon copolymer resin in spiral design and synthetic trimmer. The portable cord with a diameter of 1.6 mm supports fast cutting and a longer service life.Durable material: high-quality automatic feed trimmer coil and durable nylon thread made of copolymer in helix design, flexible and flexible and durableEconomical and time-saving: quick and effortless replacement without tools by clicking. Professional CNC cutting and automatic winding is safer and more time-saving than manual winding, reduces damage to the grass trimmer and does not block when mowingPrecautions for use: wear protective glasses and long underwear when using this product to avoid injury caused by overflowing the wires. Remove the plug from the socket before replacing, installing or removing accessories. This wireless weed killer is only suitable for young grasses. Strong weeds use other tools such as blades for trimming