The cable tie anchor mount is black and is applied with a #8 (M4) screw. It is 0.80" (20.3 mm) long and made of weather-resistant nylon 6.6, which increases mechanical strength, heat and wear resistance, and stiffness. It is used with cable ties Super-Grip® miniature, Super-Grip® intermediate, and Super-Grip® standard adhesive backed cable tie mounts. It comes in packages of 100. .. see full description