Heavy duty cable ties are made with exceptional, durable materials and are used when the installations of wires and cables are heavier than the standard bundles. These cable ties have a tensile strength of 175 lbs and come in a variety of lengths from 18" to 60" with a maximum bundle diameter of 4.72" to 18.15". These extra heavy duty cable ties are available in both black and natural colors. When ordering, the 18" zip ties are available in a package of 100; the other lengths are available in packages of 50. Cable Ties Plus also has the accessories needed to help with making the job easier to do such as the Heavy Duty Installation Tool which makes the installation of heavy duty cable ties quicker and easier. CableTiesPlus offers three convenient ways to place an order. You may place your order online, by phone, or by fax. Our on-line ordering is fast and secure. Just click on the product you wish to purchase, choose the amount, and add it to your cart. To place an order by phone or for more information, call 800-926-5981 and talk to one of our knowable customer service representatives. To fax an order, fax a cover sheet with your name, address, product number, quantity, and a number where you can best be reached to 781-829-4726.