* NO MORE FIGHTING TO GET LINKS OPEN EVERY TIME - Turn your prong collar into quick release version. Simply replace center plate with ClicLock buckle. * GREAT AUTHENTIC LOOK - Faster and easier to use while retaining full collar functionality without needing any unnecessary hardware. * TWO SIZES AVAILABLE TO FIT ANY HERM SPRENGER PINCH COLLAR - The buckle body is the same size but holes are specifically designed to fit 2.25mm and 3mm/3.2mm collars. * EASY TO INSTALL AND REMOVE - No tools required. Installs and removes the same way as opening and closing links. * GUARANTEED NOT TO RUST - German black stainless steel will not rust and high quality plastic will perform for the years to come.