The Dura-Winder is a next generation cord, rope, and cable organization tool. Untangle and organize your cords and rope of any size; the Dura-Winder has a 4 in 1 spine multi-catch that fits Imperial 3/8 inch, 5/16 inch, 1/4 inch, and 3/16 inch cords, and Metric size 10, 8, 7, and 5 cords. The 360 degree pivoting arms allow you to quickly release your cord or hang the Dura-Winder vertically, horizontally, or at an angle for easy storage. The pivot arms are constructed with impact-resistant composites and designed with multiple hanging points that you can fit over any hook or nail. The ergonomic design features a composite center grip for handling and balance; the Dura-Winder is built to last with high-grade 304 stainless steel. You can use the Dura-Winder to wrap up extension cords, cables, air compressor hoses, dock line ropes, Christmas lights, ski tow rope, power cords, and rock climbing rope. This combo 4 pack includes 2 medium and 2 large Dura-Winders to make your everyday tasks with cords and rope easier.