Sliding Block Model Number : MGN12 Guide Width or Diameter : 12mm Unit Type : piece Package Weight : 0.065kg (0.14lb.) Package Size : 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in) Model Number : MGN7H MGN7C MGN9H MGN9C MGN12H MGN12C MGN15H MGN15C