S167.1 Low armrest unit
S167.1 High armrest units
S167 Low armrest double combination
S167 High armrest double combination
S167 Three combinations of low handrails
S167 High armrest trio
S167 Five-position low armrest combination
S167 High armrest five-position combination
S167 Six-position low armrest combination
S167 High armrest six-position combination
