TOLCO®, a brand of NIBCO INC., now offers contractors an in-line longitudinal sway brace attachment for bracing against sway and seismic disturbances. The one-piece design allows swivel in only one direction ensuring "in-line" assembly, reducing eccentricity in sway brace assemblies. TOLCO's Figure 4L is designed for fast and easy installation. The break-off head bolt is an important feature used to verify proper installation torque. The Figure 4L is made of carbon steel and comes with a plain finish. The attachment has a 2,015 lb. horizontal design load and is available in sizes 2-1/2" through 8" IPS. TOLCO. Circle 11.