Bought more than i really needed. Yours for £7.50 each, delivered. Good for your oil pressure readout. Mechanical fitting, rear entry. :)
http://i17.photobucket.com/albums/b7...psf4dce2dc.jpg
http://i17.photobucket.com/albums/b7...ps3b00f7ce.jpg
http://i17.photobucket.com/albums/b7...psaaf90aba.jpg