Blind Flange Lockout, 3-1/2 to 12 in Pipe, Master Lock, Mfr#: S3923

Blind Flange Lockout Device, For Maximum Flange Width 10 3/4 in, For Maximum Nut Diameter 1 7/8 in, For Maximum Padlock Shackle Diameter 5/16 in, For Maximum Pipe Size 12 in, For Minimum Flange Width 3 3/4 in, For Minimum Nut Diameter 1 in, For Minimum Pipe Size 3 1/2 in, Maximum Number of Padlocks 4, For Use With Pipeline Maintenance, Lockout Color Black/Red/Silver, Lockout Material Aluminum/Steel, Standards OSHA 1910.147