DYNAMIC HORIZONTAL ADJUSTMENT BAR ASSEMBLY, 7/8'' BALL, EA
INCLUDES PART NUMBER 90142 (1/2" SQ OFFSET X 12"L HEADREST HARDWARE)
SQUARE SHAFT PREVENTS ROTATION DURING LINEAR COMPRESSION OF THE SPRING
PROVIDES LINEAR RESISTANCE VIA 60LB COIL SPRING
USED TO ABSORB AND DIFFUSE FORCES BY CLIENTS EXHIBITING "HEAD-BANGING" BEHAVIOR
