- Standard length: 250mm(10'')350mm(14"), 400mm(16"), 450(18"), 500mm(20"), 550mm(22")600mm(24'')

- Material: Cold-rolled steel

-Finish:Zinc plated,Black-paint

- Opening: single extension

-Load bearing:35 kg

 

Features

 

- High quality cold- rolled steel

-Hi-tech electroplating technology of rust resistance.

- International advanced spray-paint technology

- High precision steel ball assembling for smooth and silent rolling.