The Davies Ridings 57-BEL-5018905 is a premium replacement glass inner designed specifically for the 4103/5/9-172 models. Crafted with precision, this accessory ensures a perfect fit, enhancing the functionality and aesthetic appeal of your setup. The clear glass construction not only provides a sleek look but also maintains durability, making it an ideal choice for those seeking to refresh their accessories with quality components from the renowned Davies Ridings collection.