Enhanced Dust Protection: This Drill Dust Cover Collector is designed specifically for electric drill and hammers, featuring a double layer dust and debris prevent system. It effectively captures dust during drilling, significantly reducing the risk of inhalation or messMaterials: Constructed from silicone, alloy bearings, and plastic, this Drilling Holes Dust Catcher Bowl offers high elasticity and strong toughness. The upgraded bearing design ensures smooth operation while preventing overheating and wear during useVersatile Compatibility: Suitable for drill ranging from 4-12mm in diameter, this Scalable Dust Cover is ideal for various applications such as engineering installations, air conditioning setups, wall drilling, curtain installations, and moreInnovative Bearing Design: The bearing transition design of the Home Improvement Tool effectively prevents heat generation and wear during drill operation. Its high elasticity material allows for easy expansion and contractionUser Friendly Features: With a six sided ear hole design, the Power Tool Utility Accessories accommodates different models of impact drill when working on ceilings. Securely fasten with wire to prevent rotation or falling off during useensuring convenience and efficiency in your projects Specification: 8.9cmx10.5cmx5.5cm/3.50inchx4.13inchx2.17inch Package Includes: 1 Drill Dust Cover Collector Note: Please allow slightly errors due to manual measurement and different monitors.