CFS-1.00/2.20
Manufacturers：
3M
Description：
CONSTANT FORCE SPRING (#4)
CFS-1.50/3.00
Manufacturers：
3M
Description：
CONSTANT FORCE SPRING (#5)
CFS-1.50/3.00W
Manufacturers：
3M
Description：
CONSTANT FORCE SPRING (#10)
CFS-1.80/4.00
Manufacturers：
3M
Description：
CONSTANT FORCE SPRING (#6)