Cut not Crimped!Others may take shortcuts and crimp the tube instead of making a clean cut. This leaves the end of the tube as open as possible preventing jams and clogging.CompatibilityThese tubes will work in any printer needing a 44.3mm tube. Can be pushed right into any MK10 nozzle.Print Anything!This capricorn tubing is designed to withstand high heat. Print PETG, Carbon Fiber, Poly Carbonate and Nylon without worry!Save MoneySave money in the long run with these tubes that will not break down over time from constant exposure to heat.