[4H210 08 PT1 & 4 ]
1.Manual operation.smooth actuationand exact and reliable orientation. 2.Sliding column structure has good tightness and light weight and is easy to install and dismount. 3. Internal hole adopts special processing technology which has little attrition friction.long service life 4. No need to add oil forlybrication 5. Panel-mounting makes it convenient to install and apply