This 3/4" x 16" ETB6 Nylon Hole-Cleaning Brush with a wire loop end handle is used for cleaning drilled holes prior to adhesive anchor installation.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. Can be used in holes from 1/2 to 3/4-in in diameter. Useable length: 15-inches. Actual length: 16-inches.