Possible to buy this spare shifter part?

[tigerstyle]

I've lost the cable adjuster from my shifter, like the bit in the pic.
But mine is the LX 9 speed version. Are they available or just cheaper to buy a whole shifter?

 

[Armageus]

Yes, believe they are called barrel adjusters e.g. something like

http://www.chainreactioncycles.com/mobile/shimano-rear-mech-barrel-adjuster/rp-prod8620

 

[tigerstyle]

suweeeet!