Vxb brand 4 feet x 2 feet cnc router kit 16mm rails and ball screws enjoy having a complete kit less work start manufacturing today 4 feet x 2 feet cnc router kit 16mm rails and ball screws the guaranteed travel per axis is as follows: x travel 4 feet y travel 2 feet z travel 10 inch package includes: 2 sbr16-1350mm linear guide 2 sbr16-750mm linear guide 2 sbr16-350mm linear guide 1 rm1605-l1350mm 1 rm1605-l750mm 1 rm1605-l350mm 3 bf12 support for ballscrew 3 bk12 support for ballscrew 3 sfu1605-3 nuts 12 sc16uuop 16mm linear block for cnc router 3 d25-l30-6.35X10mm coupling 3 dsg16h