Trebor Plugs 1/2" - 50 Plugs

A resilient plug for sealing drilled holes in a solid surface to prevent the discharge from the hole of fluids or chemicals. The plug is of tubular shape and has a flat top surface and a tubular side wall from which a plurality of sealing ribs project to engage the side wall of a drilled hole. The ribs prevent the passage of fluids or chemicals from the hole. Contains: 50 plugs