Micro-mini TM series has a new design of stainless steel bottom scraping blade, in the case of maintaining a small gap with the slide rail, without increasing friction resistance, effectively prevent foreign matter from entering the slide track surface from below, with the upper and lower dust seal design, can effectively form a closed dust, reduce the loss of lubricating oil, maintain a long time lubrication effect, under the condition of not affecting the smoothness of operation, Extend the life of the slide group. TR series two-row steel ball design, ball track adopts Gothic design, its contact Angle presents 45 degrees, so that the four directions of the slide can equal the load, improve its rigidity and stability.