Blind Flange Lockout Device For Maximum Flange Width 17 7/8 in For Maximum Nut Diameter 2 3/4 in For Maximum Padlock Shackle Diameter 9/32 in For Maximum Pipe Size 24 in For Minimum Flange Width 7 3/4 in For Minimum Nut Diameter 2 in For Minimum Pipe Size 14 in Maximum Number of Padlocks 4 Bar Material Hardened Steel For Location Indoor Outdoor For Use With Pipeline Maintenance Lockout Color Black/Red/Silver Lockout Material Aluminum/Hardened Steel