Pro Plug Tool is a reliable helper for concealed fastening of decking and siding. Designed specifically for working with PVC and composite materials, it ensures screw installation to the precise depth. The auto-stop mechanism prevents bit stripping and extends the tool's service life. A free-spinning stop collar protects the surface from damage during installation. Made from alloy steel, it is distinguished by reliability and compactness. Specifically designed for use with the Pro Plug System for the most neat result