Description Introducing the Machifit MGN12 Linear Guide, available in lengths ranging from 100mm to 1000mm, complete with 2 MGN12C Linear Rail Blocks. Ideal for CNC tool applications. Specification Model: 1 x MGN12 Linear Rail, 2 x MGN12C Block Block Dimensions: Height: 8mm, Width: 20mm, Length: 28.9mm Threaded Hole (Block): M3*3 Rail Dimensions: Height: 6.5mm, Width: 9mm, Length: 100-1000mm Bolt Hole (Rail): M3*8 Material: Bearing Steel Shape: Cuboid Features High-quality at an unbeatable price. Simple and user-friendly design. Professional and technical functionality. Compact and lightweight, perfect for small equipment. Smooth and effortless slider movement. Equipped with a steel ball holder/retainer. Compatibility This linear guide is suitable for various small linear sliding devices, including: Semiconductor manufacturing equipment Printed circuit board IC assembly equipment Medical equipment Machine arms Precision measuring instruments Office automation equipment Package Included 1 Set of MGN12 Linear Rail Option: MGN12C Block (100-1000mm Optional) Or 2 Pieces of Linear Block