Product Description RTA furniture step drill. Used for drilling pilot hole, clearance hole and countersinking. Amana Tool 55290 RTA Furniture Drill/Countersink with Quick Release 1/4 Hex SHK for 5mm Screw at Kaizen Source Browse all Kaizen Source deals $36.85 In Stock at Kaizen Source Buy Now at Kaizen Source Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Kaizen Source Kaizen Source