Compatible Trimmer Model: PRTA 20-Li C3 IAN351753 Specification: String Trimmer Replacement Spools 8.3m long and 1.65mm diameter, compatible with original spools models Parkside PRTA 20-Li C3 IAN351753 Premium Material: Nylon cord, flexible and strong, allowing for the line to stretch and cushion on impact with hard surfaces. Excellent Workmanship: 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 mowing. Precaution: When using this product, wear protective goggles and long underwear to avoid injury caused by overflowing the wires. Remove the plug from the socket before replacing, installing or removing accessories. Specification: Model: PRTA 20Li C3 Compatibility: Parkside color: black Lidl: IAN 351753 String Trimmer Line Material: high quality nylon Cap material: ABS. Size: 8.3m long, 1.65mm dia. product includes 4*Grass Trimmer Spool