American Keystone keystones are stocked for standard, modular and oversize brick in three, four and five brick courses. All sizes are available with the beveled edge and the most popular sizes are also available with American Keystone's signature panel style, such as shown in several of the photographs on this page.

The Keystone facilitates a neat, uniform mortar joint between bricks in arches, eliminating the need to skew cut bricks.

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