Installation and use - Install the vice on a workbench with a base lock that can rotate securely. Open the vice by turning the handle counterclockwise, then place the item between the serrated jaws. Compatibility and scope - The magnetic jaw cover fits many kinds of pliers, including table pliers, drill pliers, router pliers, and similar tools. It supports use with 4-pliers; if you have a 4 inch size, you can easily cut the additional lower jaw sleeve. Clamping and release procedure - Close the vice by turning clockwise until the jaws fit, then continue tightening until the workpiece no longer moves. Do not overtighten, as this may damage items and pliers. After finishing, release by turning the screw handle counterclockwise. Jaw cover features - The UP360 universal 6 inch prism jaw cover is made of high quality materials. It is compatible with any metal jaw head and is used for attaching metal, plastic, etc. It can be used with pipes and threaded articles to safely protect all product levels or circles. Use scenarios - Holding small metal parts during drilling or routing to prevent movement and protect surfaces. - Securing PVC or other plastic components during finishing or assembly without marring. - Protecting pipes and threaded articles while clamping to prevent damage during handling or cutting.