About this item MaterialWire grommet with brush is made of zinc alloy, strong corrosion resistance, durable and not easy to rust. The flexible opening design can better protect the cable and reduce wear. SizeThe installation hole diameter of the zinc alloy cable hole grommet cover is 60mm, diameter outer 70mm, through hole 22*19mm, height 12mm. in banks, etc. Ideal accessory for installing the cable on the computer desk. Practical designThe cable passage has a removable cover is equipped with a brush at the entrance, can prevent the cable from falling, rotating the cover attaches to the inner ring to prevent unwanted dust infiltration. Easy to useA small amount of cables can be inserted through small holes. When there are many cables, the cover can also be completely removed, please remove the circle and push the cable through the entire entry. Product description Explanation With a simple twist, the cover plate can be attached to the inner ring, preventing cables from slipping or pushing the plate down. the top. The removable cover is equipped with a brush at the entrance to prevent unwanted infiltration of dust and mud if possible you can make a hole and take a grommet for office in the cupboard in the kitchen, it can make the cabinets airtight breathable Specifications Material: zinc alloy Color: tone silver Quantity: 2 pieces Drill hole diameter: 60 mm External dimension: 70 mm Channel opening: approx. 22*19mm Height: 12 mm Scope of delivery: 2*Cable entry cover