1. Perfect Compatible: This 51mm portafilter bracket handle is compatible with KF6001 and KF700 models. Tips: Please check to make sure your machine fits before purchasing. 2. Coffee Master's Training Partner: The design allows you to observe the flow column, flow rate, color, and flow column stripes, helping you better judge the uniformity of extraction for improved espresso quality. 3. The coffee liquid extracted has more crema and better quality, allowing you to enjoy a shiny golden-brown espresso stream. 4. The handle features an ABS comfortable grip with a removable design for easy disassembly and convenient use. Color: Black + Silver Material: ABS + Metal Size: 51mm Package Contents: 1 x Coffee Handle 2 x Filter Note: Light shooting and different displays may cause slight color variations between the item and the image. Measurement error allowance is +/- 1-3cm.