We have revised the brush head with 8 barb bristles that withstand the strongest force when cleaning unique bottles This brush is built to clean the toughest deposits or stains in the bottom of your specialty bottles The design is still made out of a flexible foodgrade plastic shaft which holds the patented Chamois design cleaning pads The 8 barb bristles at the bottom of the brush have been tested through hundreds of cleaning tests which have all resulted in a positively clean bottle Features . Wine Beer Bottle Brush for effortless and efficient bottle cleaning. Spiral Force Technology for Fast Bottle Cleaning. The foodgrade plastic shaft is designed to attach to a battery operated drill with adjustable chuck. New Design for an enhanced bottle brush head to clean extremely hard to reach areas in your bottle including bottles with punts . Used to clean Beer Bottles and Wine Bottles with 3 4 inch inner diameter opening Sports Bottles Antique Bottles Milk Bottles Kombucha Bottles literally any type of bottle that is extremely difficult to clean Specifications . Dimension 6 H x 0 5 W x 16 L. Weight 2 oz