【Wide Application】The drill brush kit for cleaning can be combine used for clean dead corners, scum, stains, water stains and accumulated dust for upholstery, bathroom, kitchen, floor, bathtub, tile, etc. 【Good Service】Please contact us if you have any question or advice, we are always here committed to provide you with 100% satisfactory service. 【Quantity Size】Package includes 1x 2 inch round brush, 1x 4 inch round brush, 1x 3.5 inch spherical brush, 1x extension rod. The specific size is as picture shows. Drill is not included!. 【Thoughtful Design】We matched an extension rod to improve usability, it is convenient for you to clean narrow gaps more carefully easily and stay away from dirt. 【Quality Material】The brush handle rode are made of nickel-plated iron and the brush bristles are made of durable plastic with medium stiffness, firmly attached. 3 Piece Drill Brushes Set with Extend Rod, Drill Brush Attachment Set Cleaning Kit, Blue Specifications Shape: round. material: plastic. Function: cleaning. Color: Blue and black. Bristle length: 25 mm. Brush material: plastic. Brush thickness: medium hard. Handle material: nickel-plated iron. Type: cleaning brush electric drill brush. Brush use: cleaning floors, carpets, bathrooms, etc. Specification: four-piece set. Size: As shown in the picture. Package includes: 1x extend rod, 1x 2 inch round brush, 1x 4 inch round brush and 1x 3.5 inch spherical brush. The product you ordered will be packaged carefully to protect the product in transportation and facilitate your storage and use. The above data are the results of manual measurement; please allow a certain range of differences, thank you. Please contact us if you have any question or advice, we are always here to provide you with 100% satisfactory service.