Variable rail safety system

摘要: A multi-use variable guard rail system for providing a safe working area is mountable on various surfaces, whether sloped (roofs), vertical (walls) or horizontal (floors). support of the has an upright pivotally engaged with base, and brace that locks relative to base in numerous positions ranging between acute angle obtuse where are linearly aligned. The openings hold rails such as sizes lumber vertically stacked array without need cut fasten lumber, which allows replacement disassembly rest system. tongue particularly suited roof work, namely it used mount roof, yet be lifted placing shingles thereunder.