Metal channel strip brush formed into a 360-degree circle or segments of a full circle. The straight backing sides can be formed vertical or at various angles. V-trim formed cup brush with galvanized iron and black crimped PP bristle for cleaning and sealing Application: 1. A seal for vacuum hoses 2.router enclosures 3.dust and particle collection on drill presses. As a manufacturer of industrial brushware, the v-trim bristle makes it much better to suitable with the need to be seal part.