Outdoor Accents angles tie together beams, rafters and more. The APA angle makes structural connections between beams and posts much more visually appealing. These 90° angles make connections stronger and provide consistent, straight corners for a variety of outdoor projects. Part of the Mission Collection®. Outdoor Accents® Mission Collection® ZMAX®, Black Powder-Coated 90° Angle for 4x (Pack of 2880).