Vertica is a pin-less and economical wall system with a built in locator lug providing a four degree batter: If space is limited this is your work-horse product.
Formulas/Notes
1 piece = 1 sf of wall face
Minimum inside radius = 69" (from back of block)
Maximum unreinforced, exposed wall height is 40" (5 courses) under ideal conditions. Geogrid must be used in walls above 40".
Above 48", EP Henry recommends that you consult a professional engineer.