The GDE 16 CYL dust extraction system is placed over the drill collar in place of the standard auxiliary handle and connected to an external vacuum cleaner or extractor via the rear port. Compatible with the following Bosch machines: • GSB 16 RE • GSB 19-2 RE • GSB 21-2 RE • GSB 21-2 RCT Specifications • Max Drilling Diameter: 16mm • Max Hole Saw Diameter: 82mm • Max Drilling Depth: 120mm • Core Cutter Adaptor Weight: 115g Features and Benefits • For clean, tidy operation and hardly any cleaning work afterwards • Precise work ensured by sturdy aluminium telescopic rail • Maximum flexibility: suitable for both right-handed and left-handed users • Also suitable for hole saws up to 82 mm in diameter • Perfectly harmonised with the Bosch Click & Clean System (direct extractor connection possible) • Easy handling: connection to impact drill and dust extractor with only one click