hello dose anyone no were i can get these the alloy ones thanks

Standard Stauff pipe clamps work well available inn 2mm size increments.

Do an ebay search on Stauff Pipe Clamp.

Agreed those green clamps work well.

You can get them much cheaper than e-bay.

http://www.bearingboys.co.uk/Tube_Clamps_-_Standard_Single_Type-2364-c

or your local hydraulic supplier (pirtek or equivalent).

Playskool Motorsport & Cat motorsport to Alloy ones Jonny.