✅【LIGHT WEIGHT】This linear rail and block are small in size and lightweight, especially suitable for small equipments. This special edition High Quality MGN Series Linear Rail offers high rigidity and precision accuracy in linear motion. Used in 3d Printing, CNC Machining... Specification: Model: MGN12(linear rail), MGN12C(slide block) Type: Slide rail Slide Track: Linear rail Rail Length: 550mm / 21., 7in Rail Width: 12mm / 0., 5in Material: Bearing steel Block Fixation Method: Locked Weight: 432g / 15., 2oz (approx. Mgn12 Mgn7 Mgn15 Mgn9 100 300 1000mm Miniature Linear Rail Slide 1pc Mgn9 Linear Guide 1pc Mgn9h MGN12 550mm Rail With Slide Blocks MGN9 MGN12 Linear 9/12MM 300 350 400 450 500MM Miniature Linear Rail Slide 1Pc MGN9H Guide Rail ✅【CONVENIENT】Designed with ball retainer, which allows interchangeability in the case of small precision. Linear Guide Rail, 1pc 550mm MGN12 Miniature Linear Rail Guide Rail 12mm Width Linear Bearings and Rails Linear Motion Slide Rails 2pcs MGN12C Slide Blocks Share ✅【SPECIAL DESIGN】Adopting 4-point contact design, it can bear load from every direction, and has good strength and high accuracy. ) Package List: 1 * Linear Guide Rail 2 * Linear Guide Blocks Note: Please allow small size error due to manual measurement.