Free stroke for a sway brace refers to an amount of movement which would result in no resistance. This can be established as an original factory pre-setting or can be adjusted in the field.

48″ Sway Braces for a Refinery Expansion Project
Free stroke for a sway brace refers to an amount of movement which would result in no resistance. This can be established as an original factory pre-setting or can be adjusted in the field.