The Bosch GDE 162 Professional SDS Dust Guard enables clean and tidy work, reduces cleaning times, and improves user & acute safety protection. For added convenience and flexibility, it can be quickly and easily attached directly onto walls, can be adapted for various working positions, and is also suitable for wet use. It is designed for use with the Bosch Click & Clean System. Specifications: Max. Drilling Diameter: 162mm. Weight: 0.5kg.