DLM
Main Extension Lift Spring Spring
21 inches total length
~20 inches inside of hook to inside of hook (see measurement diagram)
13-7/8 inches body length
~4-3/4 inches outside diameter
3-5/8 inches inside diameter
.522 inch wire diameter
26 coils
52100 - Extension Spring for Dock Leveler
333-054 Main Lifting Spring
113-061 Main Spring
52120 - Main Spring
302-0390 Main Lifting Spring