20Sets 1010 Series Aluminum Profile Connector,20pcs 1010 Corner Bracket,40pcs T-Nuts,40pcs Hex Screw Bolt and 1pcs Wrench,for T Slot Aluminum Extrusion Profile. Size: 20Sets Silver with Screws. Material: 1010 Corner connector:aluminum;Sliding T nuts are made of carbon steel, not easy to deform.
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