1. 121 Pieces - Great Value Kit--- In this set, we prepares you with 12 different sizes Spring Band Hose Clamps for you, hose diameters includes: 7/8/9/10/11/12/14/15/16/18/20/22mm, 10pcs of each size, 120pcs in total, packed in durable transparent plastic box, Plus, 1Pcs Swivel Flat Band Hose Clamp Pliers included. Widely used them multiple hoses that can reduce the chances of a fuel or water pipe leak. 2. High Quality and Sturdy--- These spring hose clamps are made of high quality 65mn spring steel that is strong and sturdy, corrosion resistant even in a humid environment, it can be stored for a long time, Provides a high degree of sealing to suitable pipes, and the clamp surface is polished to effectively prevent pipe damage. 3. Spring Clamp Pliers for Remove & Install---Constructed from high carbon steel with a manganese phosphate coating for added hardness and good rust & corrosion resistant performance. Non-slip handle behaves as steady grip and give you a comfortable feeling. Besides, its max opening jaw is 1-3/4 inch to allow access hose clamps in any position, even in confined areas. 4. Easy To Use--- You can easily move these spring hose clamps on the tubes with the included hose clamp pliers to open the surface and easily lower it on the tube, it can be reused, come with durable transparent box enough to accommodate all clamps in case of lost.