This belt combines durable 100% nylon webbing and patented USA made, quick release buckle. Buckle has a 4000lbs straight pull MBS(minimum breaking strength). This belt also features a D-Ring for attachments.The D-Ring had a 5000 lb straight pull MBS. The Cobra FX45 is easily adjustable has an easily adjustable, no hole, design. This belt works great for everyday use. This belt is not for climbing or LSE (life saving equipment) use.