ATC machined components (common to all mills)Contains all of the machined components required to build an ATC, excluding the carousel disk, forks, spindle and the mounting case which are available as separate items. These are the items that are common across all the models (440, 770, 1100) This set includes Sliding carriage fully machined with bearings to accept 15mm spindle (spindle not included), linear and rotary stepper motor mounts, idler pulley parts, clamp block for the toothed belt