General description The 51mm Stainless Steel Bottomless Coffee Portafilter is designed for coffee enthusiasts who appreciate the art of brewing. This portafilter features a sleek black and silver design, combining functionality with style. It allows for better extraction and flavor profiling, making it an essential tool for any barista. Technical specifications Inner diameter: 51mm Material: Plastic and aluminum alloy Measurement allowed error: +/- 1-3cm Package Contents 1 x bottomless portafilter Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.