1. Good material selection,such as GCr15 steel,PA-66 resin, G10 class steel ball etc.;
2. High precision and rigidity;
3. Easy to assemble and replace;
4. Various types and shaft diameters;
5. LM series- Metric dimensions,widely used in Asia;
LME series- Metric dimensions,widely used in Europe;
LMB series- Inch dimensions,widely used in America.