Fixtures - Wall Standards & Accessories (1/2" slot) Wall Standard (1/2" Slot) Faceouts and Waterfalls (2) Wall Standard (1/2" Slot) Hangrails (2) Rectangular Tubing Accessories (15) Rectangular Tubing Hangrails & End Caps (4) Wall Standard (1/2" slot) Shelf & Hangrail Brackets (5) Wall Standards (1/2" slot) (3)