AFTER MARKET PARTS
GOOD QUALTIY
What you see is what you get. All actual photo.
The Chainsaw head fit for pole dia is 25-25.4mm with adjustablt pressure fit attachment.
The sprocket drive on the gear head is 4 slot insert ( see the photo)
That is fit for a lot of POPULAR Brushcutter.
STIHL/ ECHO/RYOBI/HOMELITE/
That IS easy let your brushcutter have more function