Description: 【Function】: This electric hammer dust cover prevent dust from flying during the drilling, prevent dust from entering the interior, help and collect dust while drilling holes in the wall. 【Premium and Reliable】: The drill dust cover is made of ABS material, which is lightweight, sturdy, and durable for a long time; easy to carry. 【Size】: Hole Size 1.1cm/0.43inch, without any adjustments needed. 【Easy to Use】: Buckle design to ensure that dust does not leak. 【Widely Used】: Dust collector cover can be widely used in a variety of scenarios, suitable for mechanical installation, engineering installation, air conditioning installation, wall drilling, cement wall drilling, tile drilling, door and window installation, home renovation, and so on. Specification: Material: ABS Color: Blue Diameter 8.7cm/3.43inch Height 4.6cm/1.81inch Size Chart: 1 Drill Dust Cover Package Includes: 1 Piece Drill Dust Cover(6 Pack) Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.