Using this Wilton clamp - on bench vise is easy. First, find a suitable workstation and clamp the vise securely using the clamp - on base. Place your workpiece between the jaws and turn the handle to close the jaws and hold the workpiece firmly. When working, make sure not to apply excessive force that could damage the vise. Keep in mind that this product has a Prop 65 warning about cancer and reproductive harm, so handle it with care. For maintenance, regularly clean the vise to remove debris and dirt. You can use a dry cloth or a mild cleaner. Also, lubricate the moving parts, like the handle and the guide bars, from time to time to keep them working smoothly. This will help ensure the long - lasting performance of your vise.