The performance extruder for method is built for high-speed printing without compromising part accuracy. The model 1 performance extruder is optimized for printing with model materials such as makerbot precision pla and makerbot precision tough..features.smart sensors for material management and print protection.greater torque with a 19:1 dural-drive gear ratio.lengthened thermal core with less than 60-second heat up time.quick-release locking extruder mount for high stability printing and easy swapping.1-year expected lifetime based on typical usage.