Steel bracket and post for Building Guardrail System with 2x4 lumber on steep slope residential roofing. Installs and removes like roof brackets on eave edge (guttered edge) of pitches from 4/12 to 16/12. Provides fall protection, slide-guard, and toeboard. Maximum spacing 8' apart and interleaves with shingles. Slotted for easy removal. Tested to comply with OSHA.