BLIND FLANGE LOCKOUT DEVICE. Size: LARGE. Product Features: ? Device fully conceals flange bolts preventing access to the blind until all work has been completed. ? Adjustable device provides a tight fit, adapting to multiple flanged pipe applications. ? Four lockout holes allow for multiple workers to lockout device at one time. ? Durable aluminum and hardened steel construction withstands conditions indoors and out. Specifications: ? Recommended for use with NUT DIAMETER from: 2" to 2-3/4" (52.3mm-69.9mm). ? Pipe Diameter Range: 14" - 24" (355.6mm-609.6mm). ? Pipe Flange Width Range: 7-3/4" - 17-7/8" (196.9mm - 447.8mm). ? Max Shackle Diameter: 9/32" (7mm). ? Material: PA66+33% fiber and Q235 carbon steel. ? Operation Temperature: -40°F-200°F.