Z Adjustable distance: 1.38inch-1.96inch (35mm-50mm)
6mm Hex key
4 x Z Adjustable Bracket
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Smarkey Solar Panel mounting Z brackets are very easy to use,and can adjust the size of the Z parts from 1.38inch to 1.96inch( 35mm to 50mm).
The Z Mounting Brackets are Manufactured of High Quality Aluminum and Therefore are very Light Weight and Convenient.
The Z Adjustable mounting brackets can works for 50W-150W panels which should be work with guide rails.
The Screw is stainless parts.