Shorter length great for shallow walls. White color blends with white walls. Non-conductive/non-corroding nylon. Maximum fixture thickness 3/4 in #8 x 1-1/4 in sheet metal screw. Accommodates loads to 75 lb. Drills directly into drywall. Installs quickly and easily with a #2 Phillips or cordless screwdriver; removable and reusable. Applications smoke detectors, clocks, bathroom accessories, thermostats, plaques and awards, decorative wall hangings, picture frames, coat racks.