The Bosch GDE 18V-26 D Professional Dust Extractor enables dustless mobile work for convenient and clean results in a variety of drilling applications. It can be retrofitted for use with many popular corded and cordless heavy-duty Bosch Professional rotary hammers. Supplied with four interchangeable dust eyes for fixed or quick-change chucks and drill bits up to 26mm in diameter, as well as an extension for bits up to 265mm in length. Compatible with: GBH 2-28, GBH 2-28 F, GBH 2-28 L, GBH 2-26, GBH 2-26 F, 11255VSR, GBH 18V-26 D. Specifications: Max. Drilling Diameter: 26mm. Max. Drilling Depth: 100mm. Max. Drill Bit Length: 265mm. Weight: 1.7kg.