PLEASE READ IMPORTANT REMINDERS: - ONLY compatible with Bosch 4" angle grinders - Revolutionary grinder dust extraction attachment designed for grinding applications - Dust collection reduces clean up time and provides cleaner and safer air for users - Simple screw locks the attachment in the desired position Specifications: Material: Metal, Plastic Application: Grinding of concrete surfaces etc. For: Bosch 4" angle grinders What's in the Box: 1 x Dust Collection Attachment