Keeper has a variety of trailer hardware anchors. Choose from: Regular or Heavy Duty Wire Rings and Recessed Anchors. Keeper Regular Wire Ring Anchor has 900 lbs break strength and 300 lbs working load limit. These are can be mounted to the floor or the wall. The Recessed Anchor Ring has 1,200 lbs break strength and 400 lbs working load limit. The Recessed Anchor Ring is also available with 5,000 lbs break strength and 1,666 lbs working load limit. Keeper Heavy Duty Wire Ring has 11,000 lbs break strength and 3,666 lbs working load limit. The Anchor Rings and Wire Rings are a surface mount. This hardware is a great accessory for any trailer.