The Alpen SDS+ Rebar Drill Force X, 16.0mm x 210mm, is expertly crafted for effective drilling in reinforced concrete. This bit features 4 tungsten carbide cutting edges and a progressive spiral design for rapid dust removal, alongside a dowel length indicator for precise depth control. Size: 16.0mm x 210mm SDS-plus drill bit with 4 tungsten carbide cutting edges Progressive spiral design for enhanced dust removal Dowel length indicator for precise drilling depth