Faithfull Plug Cutters which are used in combination with screwsinks, this prepares perfectly sized plugs to fill counterbored holes. For best performance, the power drill should be held in a stand. For a perfect grain match use an offcut from the timber being plugged. To ensure an accurate fit we suggest you use the same screwsink from the Faithfull brand. The set of 4 contains sizes No 6, 8, 10 and 12.