General description This 4Pcs Nylon Filament Abrasive Wire Cup Brush End Kit is designed for use with drill rotary tools, featuring a 1/4 inch shank that fits any drill or impact driver. With a maximum speed of 4500 RPM, these brushes are ideal for prepping surfaces, deburring, and light removal of paint and coatings. The nylon construction ensures minimal risk of damage or scratches, making them perfect for cleaning delicate parts in automotive, metalwork, woodworking, refurbishing, and DIY projects. Technical specifications Maximum RPM: 4500 Handle diameter: 6mm Material: nylon + stainless steel Color: red Package Contents 1 * 4 inch Circular Wheel Brush 1 * 2 inch Circular Wheel Brush 1 * 2 inch Wire Cup Brush 1 * 1 inch Wire End Brush Other information Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.