Anchor Shock Dock Shock Mooring Kit - The Dock Shock kit contains 2 shocks to attach to your boat or pontoon to make docking a breeze! The heavy duty shock cord eliminates damaging jolts to your boat and dock caused by the wind and other boats. The hook end doubles as a loop to slide through a cleat, slide over a dock post, or clip to your boat. Works great on pontoons! Kit contains 2 shocks that stretch to make docking easy Made in the USA Constructed with 1/2in marine grade, UV resistant shock cord and stainless steel clasp for saltwater and freshwater applications Can also be used in pairs for anchoring! For use with a 16ft-24ft boat and pontoon