Bosch GDE 28 D Professional Dust Extractor for use when drilling or hammer drilling with the GBH 18V-28 DC Professional. With a very compact and lightweight design of only 0.8kg, it offers excellent ergonomics. It can be easily assembled by just one click, and emptying of the dust box is convenient without removal of the filter. Its filter cleaning mechanism which taps out the high-quality HEPA filter helps maintain constant airflow and provides outstanding dust extraction results. Highly flexible thanks to two interchangeable dust eyes for drilling up to 28mm in diameter and an extension for bits up to 265mm in length, it is ideal for a wide range of jobs. Specifications: Max. Drilling Diameter: 28mm. Max. Drilling Depth: 100mm. Max. Drill Bit Length: 265mm. Weight: 0.8kg.