Cord and Rope Tightening and Cinching Tool with Rollercam Technology - Easy Secure Tie Down for Outdoor, Camping, and Boating Guy Lines - 6-Pack Includes Accessory Cord and Carry CaseDurable Construction: Built to withstand harsh outdoor conditions and made with high quality materials including marine grade brass roller, stainless steel springs and shafts, and a corrosion resistant cam. Compact and Lightweight: Easy to carry and store weighing in at only 0. 8 oz 22. 7 g. Perfect addition to your gear bag as it works with Works with 3 and 4 mm rope and paracord. Versatile Uses: Ideal for camping, boating, and general outdoor use