Thanks very much.it's a Sunrace 8-speed freewheel like this one:
http://wooshbikes.co.uk/cart/#/product/uid-sr-8/8-speed-freewheel-for-swx02-xf07-and-bpm-rear-hub-kits
Tool:
https://www.ebay.co.uk/itm/Bike-Rear-Cassette-Cog-Remover-Cycle-Hub-Repair-Tool-Bicycle-Freewheel-Socket-UK/132923746436
email support@wooshbikes.co.uk if you need any assistance.
Hi, Thanks very much, that's very generous of you I've just had a look in my kit now and I've got the one that I need by the looks of it. Much appreciated thoughHi, I have a new Park freewheel tool (bought to help a mate, he had bought one already) if you want it, pay postage and it's yours.