Thin tubes can be bought in almost any length (they will cut
them and de-burr the ends for you), very cheaply from:
Coopers Needle Works
261-265 Aston Lane
Perry Barr
Birmingham B20 3HS

Telephone 0121 356 4719

Best regards,


--
Jan Kowal
Applied Microengineering Ltd (AML)
68 Milton Park,
Abingdon, Oxfordshire, OX14 4RX,  UK
Tel: +44 (0)1235 833934
Fax:                      833935
e-mail: [email protected]