This product is a spring loaded shock absorber, NOT a  rigid pole. Whips break, pull out of the dock. Rigid poles in rough water will damage your boat and the dock!

Up to 10,000 lb boat per shock

Slip Knot 15.00 value from manufacturer included with purchase of Dock Shock 

199.99 is cost per shock available from Manufacturer.

 For product information please visit manufacturer's website:

dock calm.com to see you tube videos of product in action.