Leather Rivet Setting Kit Double capped leather rivet setter tool kit, including a setter tool and anvil and 100 solid brass double cap rivets. The leather rivet setter is ideal for both professional artisans and hobbyists seeking to achieve a polished and professional finish. Whether you're upgrading leather bags, belts, or accessories, this leather working tool provides the versatility and quality you need to bring your vision to life. Small / Medium Leather Rivet Setter Size - 7.5 cm total length, 9mm diameter. Large Leather Rivet Setter Size - 11 cm total length, 14mm diameter. The kit includes 100 solid brass leather fastening rivets, combining functionality with timeless elegance, joining together layers of leather with an attractive appearance to both sides. Available in small, medium, and large sizes (7 - 12 mm long), they offer the perfect fit for projects ranging from bespoke leather goods to intricate leathercraft work. Small Rivets - 7 mm head diameter, 7mm bar / stem length - For joining leather pieces up to 5.5 mm thick. To be set with the Small Leather Rivet Setting Tool. Medium Sized Rivets - 9 mm head diameter, 9 mm bar / stem length - For joining leather pieces up to 7.5 mm thick. To be set with the Medium Leather Rivet Setting Tool. Large Rivets - 9 mm head diameter, 12 mm bar / stem length - For joining leather pieces up to 10.5 mm thick. To be set with the Large Leather Rivet Setting Tool. Recommended for use with our heavy leather mallet.