The Universal Drill Guide Kit 40.280 is suited for a wide range of Zipbolt Connectors with the various hole height positions allowing hole preparations in different material thicknesses, it also caters for boring the insert screw holes. It comes in a neat box with all the necessary drill bits matched to the guide, the chart on the box shows the various models that can be used together with instructions. This product makes hole preparations much easier with accuracy then all that is needed is to simply assemble you job with Zipbolts.