Introducing the Locking Ring to Secure M12 Lenses to Most Holders - a must-have accessory for camera enthusiasts and professionals alike. This versatile locking ring provides a secure fit for M12 lenses and ensures that they stay firmly in place on most holders. Made from high-quality materials, this product is durable and built to last. Use it with confidence to achieve sharp, clear images in any setting. As a trusted factory, we take pride in our craftsmanship and attention to detail, which is evident in this exceptional accessory. Order now and enjoy the peace of mind that comes with owning a product from a reputable manufacturer.