(CMT24, CMT32, CMT42, CMT55) Columbia Compound Tubes have taken the market place by storm. Finally a high quality long lasting tube that is easy to push. We have had many customers, after trying this tube, report back that they changed over their entire fleet. FEATURES: Sizes 24″, 32″, 42″, and 55″ available A combination of factors result in the compound being easily pushed through your tools Stainless steel ball Hand made from U.S. aluminum and steel components Machined in our state of the art facility in Canada DOWNLOADS: COMPOUND TUBE SCHEMATIC COMPOUND TUBE SCHEMATIC 2014