The Alpen SDS+ Rebar Drill Force X, 7.0mm x 160mm, is engineered for optimal performance in reinforced concrete. With 4 tungsten carbide cutting edges and a progressive spiral design, this drill bit allows for quick dust removal, while the dowel length indicator ensures accurate drilling depth. Size: 7.0mm x 160mm SDS-plus drill bit with 4 tungsten carbide cutting edges Progressive spiral design for enhanced dust removal Dowel length indicator for precise drilling depth