Unlock a whole new range of exercise possibilities with the CORTEX SM-25 Chest Fly Upgrade Kit. Not only does it provide you with greater range of choices in your strength workout but helps to streamline your routine by adding a 3rd bottom pulley, meaning you can switch between exercises without fiddling around with adjustments. Push Yourself Further Give yourself the tools for a truly exceptional full-body strength workout, allowing for a more personalised and specific routine that caters to your needs and goals. The Chest Fly Upgrade Kit allows you to target different muscles and access various parts of the body. Perform additional exercises such as seated dips and enjoy a more comprehensive workout. Streamline Your Training By adding an additional pulley, the Chest Fly Upgrade Kit allows you to perform multiple exercise in a sequence without as much switching around or setting adjustments. This means that you'll spend more time on training, and less time adjusting, creating a more streamlined, convenient workout. Compatible with SM-25 The Chest Fly Upgrade is compatible with newer SM-25 models. Check your SM-25 model to ensure that it has the updated hole configuration.