Thank you for viewing. Product: Brand: k2 (K2) Model: SONIC (Sonic) Size: M size (23-27cm) This is a standard K2 binding that is easy to handle for beginners. It is very light and easy to maneuver, making it ideal for ground tricks and park riding. The cushioned ankle strap reduces fatigue even during long rides, and the base pad provides all the necessary functions. It can be attached to standard 4-hole boards, as well as Burton's The Channel (2-hole slider type). ~Condition~ There is some wear and tear, but it is generally clean. Of course, you can still use it without losing its original performance. Mounting screws and plates are also included. Free shipping nationwide. Please feel free to ask any questions you have about how to choose bindings or how to install them. Please refrain from price negotiations.