Each begleri fidget toy is made with a single rope that has two monkey fists knots connected together. The standard length between the two monkey fist is approximately 5 inches but personalization is optional for longer or shorter lengths. Each monkey fist has a marble inside that is 9/16 inch and when knotted is approximately 7/8 to 1 inch in width and length. Each paracord item is handcrafted with high quality materials and made with care. These items are perfect for anybody from avid campers, outdoor enthusiasts, or even a nice gift for a family member. We use 550 paracord for each item and have a large variety of color options that continue to grow. Paracord is a very durable material that is more commonly known to be used for parachute lines and has incredible tension strength. These items can be used on pretty much anything else you can tie it on to. If you want a large or custom order then please contact us to see how we can help you out! If there is a length or color you want that we do not show then please let us know! If there is a different style or knot that you would like then please let us know!