Safety Drum Funnel, w Self Closing Cover, 6 in Brass Flame Arrestor, 2 in Drum Bung, Red ORS NASCO Self sharpening ceramic alumina grain delivers Self sharpening ceramic alumina grain delivers a superior combination of life and cut rate 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 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 Fits into a 2" bung on a 30 and 50 gallon drum Wide mouth opening with hinged