Permanent Strength Red Threadlocker, 50 mL, 1 in Thread, Red ORS NASCO closed cell foam for all closed cell foam for all day comfort Breathable neoprene lower straps secure below the knee for added comfort One size fits all Large caps are over sized for more protective coverage Upper elastic strap with slide buckle fasteners for rapid fit 8 black or natural canvas Rivet reinforced for durability Steel frame mouth with hinge for rugged use Stitched and riveted leather handles for comfort and strength Two retaining straps with buckles provide secure closure Superior to conventional lock washers nylon inserts and other mechanical devices as Permatex Threadlockers secure the entire fastener assembly against loosening from shock or vibration and they maintain fastener clamp forces They also seal the threads against leakage and prevent rust and corrosion