CNC part MR7 7mm linear rail guide MGN7 length 100mm with mini MGN7H linear block carriage miniature linear motion guide way (press the block to slide) Go to amazon.com Related posts Top recommendation for linear guide 100mm FeatureBrand new& High quality. DescriptionPackage content: 1pcs MGN7H-100mm 1pcs MGN7H block NOTE :need press the block to slide,it's not Non press sliding