Fixtures - Wall Standards & Accessories (1/2" slot) Faceouts and Waterfalls for Wall Standards (1/2" Slot) (2) Hangrails for 1/2 slot wall standards (2) Hooks and Brackets for Rectangular Hangrail Tubing (16) Rectangular Tube for Hangrails & End Caps (3) Shelf Brackets for Wall Standards (1/2" slot) (2) Wall Standards (1/2" slot) (3)