With this set of springs you can easily tension your tarpaulins simply hook the tension spring into the tarpaulin eyelet and the metal impact plate then the tarpaulin is tensioned as desired and simply placed into the wood stacking aid hot dip galvanized vertical 60 x 80 mm horizontally 40 x 60 mm maximum width 260 m cover especially suitable for covering firewood stacks the tarpaulin is weather resistant 100 waterproof uv resistant and has eyelets for tensioning weight 90 g