Aluminum alloy multi-aperture dust collection box, small in size, convenient, and easy to carry, help catch and collect dust while drilling holes in the wall. Multi-aperture support for different drills, Ф3/4/5/6/7/8/9/10/11/12 total of nine kinds of aperture for , you can adjust the drilling according to the size of the drill. Wide applications, it can be widely used in a variety of scenarios, suitable for mechanical installation, air conditioning installation, wall drilling, cement wall drilling, tile drilling, door and window installation, home renovation, and so on. Specifications: Name: Dust Collection Box Item size: 55 x 55 x 32mm / 2.17 x 2.17 x 1.26in Color: Red Material: aluminum alloy Package Contents: 1 x Drill Dust Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.