TC-42-100-101 JB Industries .042 ID x .093 OD Capillary Tubing -100' Coil (Ordered in Multiples of 10) Sealed and dehydrated tube. Made in the USA and supplied by JB Industries. Plug-drawn, sealed and dehydrated soft copper tubing. Commercial tolerance of ±0.001". Manufactured to ASTM B360-88.