NOVA 8302 Infinity Accessory Jaw - Bowl Jaw Series #2 Only Jaw and not the Whole kit. Designed to hold small bowls & plates with much stronger Infinity Key grip than the single screw fixing of Nova Traditional JS20N & JS25N Jaws External dovetail to grip internal bowl recess. Internal dovetail to grip bowl foot. Able to grip round dowels. Capacity Overlaps #1&#3 Bowl Jaws Stronger jaw design, over 12% thicker base, 30% wider jaw face than traditional Nova JS25N Jaws for max stability & rigidity for small work 40% more external dovetail recess depth compared to traditional Nova JS25N Jaws means more useable grip available Designed to hold small footed bowls. The traditional Nova JS25N, JS20N not designed to hold footed bowls.