- $14.20Rare Earth 1/2 in. x 1/7 in. x 1/8 in. N Countersunk Ring Magnet (12-Pack)The Home Depot
- $21.82Magnet Ring/Carabiner KitThe Home Depot
- $4.683/4 in. Ceramic Ring Magnet (6-Pack)The Home Depot
- $3.881-3/4 in. Diameter Ring Magnets (2-Piece per Pack)The Home Depot
- $12.35Personal Alarm with Motion Detector Magnet and Key RingThe Home Depot