new and high quality. Made of high quality matertial, durble and practical to use. Takes all trimmer line shapes from 2.0mm, 2.4, 2.7, and 3mm diameter. Less 30 second line distort loading. feed into the eyelet, turn the head and it's ready to go.Easy load, no disassembly required.Vibration free operation.Easy to use. Specification: Arbor size: M10(not the thread type on,installation just like to install trimmer blade,So it be fit lots of which is M10 size) fit for fit for fit for POPE fit for fit for fit for fit for MACHINERY fit for fit for fit for BBT fit for , ETC. The Compatibility Is Just For Please Compare The Part Number With Your Original One Before Purchasing! Colour:As Shown Material:ABS Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Due to different batches, there may be differences in product appearance and printed text, which not affect use Package