The Qual-craft 6 inch x 45 degree roof bracket is durable all-steel construction with 6 inch platform. You can use with 2-by- 6 inch planks. The roof bracket is easy to install and remove without damaging shingles. Capacity for the installed brackets is one man per 8 feet staging plus 40 lbs. maximum 8 feet of spacing between brackets. Complies with OSHA regulations. Fixed angle 45 degree, 6 inch platform.