Mushroom Safety Cap 16-32mm for Rebar (Bag of 250)Rebar Safety Caps or Mushroom caps as they are also known are a widely used health and safety product that is used inside the construction industry to cover exposed rebar poles to prevent injuries and death. These are a durable and tough hi vis plastic mushroom shaped rebar protection cap that sits on the top of any protruding steel and reinforcement bars. They help to reduce construction site accidents by clearly identifying the presence of steel,