Description: HiLDA Dust Blower with British System Thread/Metric Thread Tool Accessory for Dremel and Hilda Specification: Brand: HILDA Material: Plastic Size: 24mm x 18mm x 10mm British system thread: 9/32-40 inch Metric thread: 8x0.75mm Color: Black Quantity: 1 pcs Feature: The British system thread 9/32-40 inch is suitable for Original Dremel 3000 and Dremel 200. The metric thread is suitable for Hilda Grinder and other electric grinder which thread is 8x0.75mm. The dust blower is easy to install. Makes your work much easier and save time. Note: Please note that the pacakge includes one dust blower only. Please select the correct one which is suitable for your electric grinder. Installation Tips: First, loosen the chuck with open-ended wrench. Second, Install the core and grinding head. Finally, put on the dust blower, tighten up with wrench. Package Included: 1x Dust Blower More Details: