Electric scarifier (East Hendred OX12)

This is a mains electric Al-ko scarifier. It has two 'blades', one for aeration (fitted currently) and one for de-thatching. It runs perfectly. It has a height adjustment, the red knob shown. Complete with collection box. You can see a video of it in action here: https://www.google.com/search?q=al-ko+scarifier+32&sca_esv=393fe94135c43729&rlz=1C1GCEA_enGB1130GB1131&sxsrf=ANbL-n4WfpDKPEm4JWeKB9GcI69f46XDCA%3A1777975957028&ei=lcL5abm8AYrmi-gPh8TH-Ag&biw=1396&bih=632&ved=0ahUKEwj52tnK9KGUAxUK8wIHHQfiEY8Q4dUDCBE&uact=5&oq=al-ko+scarifier+32&gs_lp=Egxnd3Mtd2l6LXNlcnAiEmFsLWtvIHNjYXJpZmllciAzMjIFECEYoAEyBRAhGKABSJEHUJoDWMgFcAF4AZABAJgBeqABswKqAQMyLjG4AQPIAQD4AQGYAgSgAtoCwgIKEAAYRxjWBBiwA8ICFxAuGNwGGLgGGNoGGNgCGMgDGLAD2AEBwgIFEAAYgATCAgYQABgWGB7CAgsQABiABBiKBRiGA8ICCBAAGIAEGKIEwgIFEAAY7wWYAwCIBgGQBgu6BgQIARgZkgcDMi4yoAfrDrIHAzEuMrgH0QLCBwUyLTMuMcgHGoAIAQ&sclient=gws-wiz-serp#fpstate=ive&vld=cid:cd4b726e,vid:rhH1zs5Ev-c,st:0