OVERVIEW These split keyrings are made of solid brass and are a quality alternative to our plated rings. These buckles are made of solid brass and have a nice heft to them creating a luxury and high quality feel to your projects. These keyrings also have a coating to help preserve the same brass color as they age. These are some of our favorite key rings due to how easy they are to use and the amazing look they small leather good projects MATERIALS Base Metal: Solid Brass DIMENSIONS 15mm Outer diameter: 15mm Inner diameter: 10.8mm 20mm Outer diameter: 20mm Inner diameter: 15.8mm 25mm Outer diameter: 25mm Inner diameter: 20.5mm 28mm Outer diameter: 28mm Inner width: 21.5mm 32mm Outer diameter: 32mm Inner width: 25.3mm 35mm Outer diameter: 35mm Inner width: 28mm 28mm Japan style Outer diameter: 28mm Inner diameter: 21mm * Each order is for a 5-pack SHIPPING & RETURNS 30-Day Money Back Guarantee! Read more about our return policy HERE