6.35mm x 300mm Aluminium Tube
1/4" x 12" Long Aluminium Tube
(Approx 6.35mm O/D x 300mm)
Please Note : For scratch building and custom work it's worth noting that each tube fits inside the other.
e.g. KS-8100 will fit inside KS-8101 and the same with the others KS-8104 fits inside KS-8105