Simpson Strong-Tie makes dispensing adhesives easier than ever by providing a variety of manual and pneumatic tools as well as accessories designed to make dispensing adhesive as efficient as possible. Brushes are used for cleaning drilled holes prior to adhesive anchor installation. The brush is made for use in conjunction with Simpson Strong-Tie adhesives. ETB 1-5/8 in. x 34 in. Nylon Hole-Cleaning Brush (Pack of 24).