Centers: 3" (76mm), Length: 4", Width: 7/8", Projection: 1 7/16"Centers: 4" (102mm), Length: 5", Width: 7/8", Projection: 1 7/16"Centers: 5" (128mm), Length: 6", Width: 7/8", Projection: 1 7/16"Centers: 6" (152mm), Length: 7", Width: 7/8", Projection: 1 7/16"Centers: 8" (203mm), Length: 9", Width: 7/8", Projection: 1 7/16"Centers: 10" (254mm), Length: 11", Width: 7/8", Projection: 1 7/16"Centers: 12", Length: 13", Width: 7/8", Projection: 1 7/16" Centers: 14", Length: 15", Width: 7/8"Base Dimension: 7/8” X 1 1/16”, Projection: 1 7/16"