Communication and power cutout for wire management * Load capacity is 500 lbs. Per pair on 16" centers * Durable powdercoat paint * Quick install with double notch alignment design for fast and easy alignment * Cutout for communication and power wire management * Durable powdercoated finish * Load capacity is 1000 lbs. Per pair on 16 inch centers * Quick install with notch alignment design for fast and easy alignment