The Alpen SDS+ Rebar Drill Force X, 10.0mm x 260mm, is designed for optimal drilling in reinforced concrete. This high-performance drill bit includes 4 tungsten carbide cutting edges, a progressive spiral design for fast dust removal, and a dowel length indicator for accurate depth control. Size: 10.0mm x 260mm SDS-plus drill bit with 4 tungsten carbide cutting edges Progressive spiral design for enhanced dust removal Dowel length indicator for precise drilling depth