The multiple bridge cable tie mount in black uses #6 (M3) screws or user supplied adhesive. It makes part orientation fast and easy and has a hole spacing of 2.5" (63.5 mm). It is 5.13" long x 0.75" wide (130.3 x 19.0 mm) and made of weather-resistant ABS plastic. It is used with miniature, intermediate, and standard cable ties. It is designed for outdoor, high-temperature environments and comes in packages of 100.