Qualcraft fixed roof bracket, heavy duty, suitable for use with: slide guard or material support on low slope roofs, 90 deg fixed angle, straight handle, 11 ga steel, red, 6 in length x 2 in width, standards: OSHA approved, for commercial or residential applications. Durable all steel construction. Easy installation and removable without damaging shingles. Osha Compliant when installed according to instructions. Capacity: 1 man per 8' of staging plus 40 pounds. Maximum 8' spacing between brackets. Use 2 inch x 6 inch planks or 2 inch x 4 inch planks as specified.