1/4''-6mm Black Polyester Shock Cord 100 ft Greif Ratchet has a black powder

Ratchet has a black powder coat finish with a heavy duty plastic lever for quick and comfortable tensioning

According to the WSTDA (section 4

12' Max Spread Adjustable Length Economy Lifting Beam

Galvanized Turnbuckle End Fittings

Other protective furniture covers are also available:

1/4''-6mm Black Polyester Shock Cord 100 ft Greif Ratchet has a black powderAlso known as stretch cord, this elasticized rope is great for making custom length bungee cords just by adding " bungee hooks on each end. The multi strand rubber core creates a durable elastic cord with consistent stretch up to 100% of its original length. This water resistant mid size elastic cord is the ideal kayak shock cord. Also handy for various tie down uses while camping, hiking, canoeing, or in the home or garage. A multi strand rubber core