The bosch gde 16 plus professional dust extraction accessory provides virtually dust free drilling with sds plus it is ideal for clean tidy operation and hardly any cleaning work afterwards it is easy to connect to sds plus hammers and dust extractors with only one click and works with all 23kg bosch sds plus hammers with a 50mm collar as well as core cutters up to 82mm in diameter precise work is ensured by the sturdy aluminium telescopic rail and it is suitable for both left and right ha