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 The Black Knight® is one The Black Knight® is one of the most durable work gloves available With cotton lined PVC construction of Knots 56 Prop 65 YES Quarterly Flier NO Special Order NO Stock Status In Stock Structure String Bead Wire UNSPSC 27111907 Welding Catalog NO 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