... workmanship; 3. Widely used Slotted angle shelves Description:Slotted angle shelving system combined with steel shelves and slotted angle uprights, provideing one of ... 1.DIY easy assembly: the simple structure, (Upright, Steel shelf, Gusset, bolt) can build a compelete unit. 2. ... assembled. 5.Versatile design: Easy to relocate and ideal for special purpose designs. 6.Economical, Cheapper cost. standard ...