What's this sealey one like? http://cgi.ebay.co.uk/Brand-New-Sea...14&_trkparms=72:1700|66:2|65:12|39:1|240:1318As Irondarren says you wont get anything for £300. This has been well covered in other posts and tutorial. You need to be thinking at about £500 minimum and remember it must go as low as 30 amps for body work.