Premium Quality: The trimmer replacement line spool is made of premium raw material, quite sturdy ABS spool, flexible nylon rope, strong enough for long service lifeGood gardening helper: the line 3m long 1.65mm premium quality brush cutter trimmer provides a larger range of cutting space, which can easily cut grass and weeds, auto feed system replacement spool makes it easier to tedious work of hand-wound spools.Simple installation: No additional tools are required, just remove the old spool and replace it with a new one to complete the installation, and keep your lawn mower working. Once you replace the old spool with this one, your brush cutter works like new again.Package Content: We provide three quantity combinations: 4pcs/8pcs/12pcs for Mac Allister MGTP18Li brush cutter, you can choose the quantity you want according to your needs.