Experience the effortless one-step method to hoop and align heavyweight fabrics. The Snap Hoop Monster is ideal for heavy-duty projects that need a monster-grip. Size 210 mm in x 400 mm. **These are machine specific** Compatible wiith the following Bernina machines: 7 Series: 700, 750, 770, 780, 790 and 8 Series: 880 Artista 750, 830.