4 Legged Ball Valve Lockout, 0.313 in Diameter Shackle, 3.05 in W x 5.31 in D x 4.07 in H, Red ORS NASCO 535 or 1822 Threading Machines Cam type 535 or 1822 Threading Machines Cam type feed actuation – translate into minimum operator effort to form roll grooves Durable cast iron housing withstands extensive field use Depth adjustment screw separate from feed mechanism allows for consistent groove depth Integral feed handle is part of overall unit feel and performance of a premium product Highly versatile reduce lost employee time and cut insurance costs Patented design and ultra tough polypropylene material make these devices a great choice to assuredly lock out ball valves Lockout devices lock out pipes 1 2 in to 2 1 2 in diameter and can lock valves open on pipes from 1 2 in to 1 1 4 in diameter Ultra tough polypropylene resists temperatures from ( 18° to 79°C) Proper lockout tools and warning devices can save lives