Blind Flange Lockout Device, For Maximum Flange Width 5 5/8 in, For Maximum Nut Diameter 1 1/8 in, For Maximum Padlock Shackle Diameter 9/32 in, For Maximum Pipe Size 3 in, For Minimum Flange Width 1 1/2 in, For Minimum Nut Diameter 3/4 in, For Minimum Pipe Size 1/2 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