Bone Safety Utility Work Ahead Roll-Up Sign – MUTCD W21-7, 48"x48" (RE4848UWAOC) battery The Petzl Mobile accepts rope

The Petzl Mobile accepts rope up to 13 mm (1/2") in diameter

What does "Work Zone Begins" indicate

and a viewing port for visibility

ensuring a smoother upward glide

Unlined — lightweight and cool for summer conditions

Bone Safety Utility Work Ahead Roll-Up Sign – MUTCD W21-7, 48"x48" (RE4848UWAOC) battery The Petzl Mobile accepts ropeThe Bone Safety Utility Work Ahead Roll Up Sign (RE4848UWAOC) is a 48"x48" MUTCD W21 7 compliant roll up sign designed for use during utility operations on or adjacent to a highway. NCHRP 350 certified, it meets federal standards for temporary traffic control devices and provides clear advance warning to motorists approaching utility work zones. Key Features MUTCD W21 7 compliant meets Manual on Uniform Traffic Control Devices requirements for utility