Design: The spring is designed with independent rope connection holes. When installing the tent on the grooved wooden board in the camping area, it can be fixed by simply inserting it into the groove and twisting it. Wide range of uses: when camping outdoors or in gardens, balconies, etc., tent nails can be used to install or fix tents and awnings on wooden boards or decks. Material: Stainless steel material, added seawater for year-round sports, very suitable for outdoor use. Due to molybdenum, special structure is possible. After 3 times of sanding, it is very bright. Double ring design, strong compatibility, compact and portable, easy to carry. use Color: silver Size: 7*4.5*4.5cm Quantity delivered: 8 pieces Product dimensions are all measured by hand, there are errors and the actual product shall prevail. Product color is affected by shooting light view and there is a slight color difference, which depends on the actual product received.