The Bower 37-43 Step Up Ring is a high-quality accessory designed to allow the use of 43mm filters and attachments on lenses with a 37mm filter thread. This step up ring is made from durable materials, ensuring a secure and reliable connection between the lens and filter, while preventing any light leaks or unwanted reflections. The Bower 37-43 Step Up Ring is a must-have tool for photographers looking to expand their creative possibilities and achieve professional results. Upgrade your photography gear with this versatile and affordable step up ring in the Step up Rings category by Bower brand.