Safety Drum Funnel, w Self Closing Cover, 6 in Brass Flame Arrestor, 2 in Drum Bung, Red ORS NASCO Provides cadmium plated D ring for Provides cadmium plated D ring for connection to fall arrest lanyard or lifeline and special red sheering bolt that falls off to expose a green bolt when proper torque is reached Removable and partial reusable This simple to use concrete anchor is designed to be set into holes drilled in 3 even coverage Durable finish Fits into a 2" bung on a 30 and 50 gallon drum Wide mouth opening with hinged stay open lid Self closing cover has a fusible link that melts at 165º F to shut the cover automatically in case of fire Accepts lock to prevent unauthorized access