You are purchasing the 20 Clamps shown in the pictures provided! These are clasified as Tiger Spiral Clamp Double Bolt Spiral Helix Hose 3" & 2.5", there are also two extra that are different style but I felt they would blend well. there are 11,  3 in clamps, and 5 2.5 in, and two other special pipe clamps about same size. These were purchased at equipment auction from closing business. All are new. Buy all and get a great price. Buyer pays 26 for USPS priority mail any where USPS provides service. Overseas okay through shipping. There are no returns so please ask questions!!!! I am a disabled veterans business and I appreciate your patronage!!!! ALL for special low price!!! Project engineers and part supervisors take note!  Check out my other sales!!!