

1.The main materiat:
zinc alloy
2.Surface treatment:
Asian black
3.Function and use:
Quickpening convenient installation,adjustment screw can be applied to various spacing range.shockproof function


1.The main materiat:
zinc alloy
2.Surface treatment:
Asian black
3.Function and use:
Quickpening convenient installation,adjustment screw can be applied to various spacing range.shockproof function