ball bearing slides

Ball bearing slides: three section

1.Width: 45mm

2.Length: 250mm-700mm

3.Thickness: 1.2*1.2*1.5,1.2*1.2*1.2,1.0*1.0*1.0
4.Material: cold-rolled steel
5.Finished: zinc plated, black zinc plated
6.Load capacity: 45kg/450mm