Description: These Glass Holder Pulley made of stainless steel material(Include the 2 wheels), for 5mm thick glass use. Easy to install ! Just install these products to clamp corners of the glass(bottom). Then Set them into the sliding guide. In order to make this type of two-wheel glass mobile door wheel installation more solid and not easy to fall off, you can put a small amount of glass glue at the bottom and inside of the groove, the effect will be better.
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