Depending on application, can be rated up to 300 Lbs. in drywall, with Millions of installations and no issues. The Master Anchor utilizes a # 8 stainless steel screw which is an ideal size for most bathroom accessory items and window dressing brackets. Typical installations include Bath Accessories, Window Dressings, Mail boxes, Hose Reels, Heavy Drapery Rods, Shelving, Cabinets, Pedestal sinks, Dispensers, Coat Hooks, Railings, and for most Wall Mount Accessories with a base over 1-Inch. Proudly Made in the USA.