PRINZING® Safetee Donut Lockout Device. Brand Name: Brady®. Sub Brand: PRINZING®. Type: Gate Valve Lockout Device (Hinged). Application: Mechanical Risk Lockout. Standard: OSHA 1910.147. Color: Red. Height: 1.65 IN. Width: 7 IN. Diameter: 5.5 IN. Lockout Material: Polypropylene. Shackle Diameter: 0.312 IN. Locking Holes: 2. Service Temperature Range °F: -40 to 302 . Minimum Shackle Clearance (in/ft/yd): 0.75 IN. Valve Wheel Diameter Range (in/ft/yd): 2.5 to 5 IN. Alternate Catalog Number: 46286.