If you like hard plastic rings, all plastic is not the same. Nylon 66 gives the best strength to weight ratio of the "plastics" that I've tried--at least it's far superior to ink pen tubes. Typically available as "high pressure tubing," in several useful diameters.
MB
Received on Mon Feb 28 2011 - 10:55:30 CET
This archive was generated by Yannick on Sat Dec 14 2019 - 19:13:46 CET