Heavy Duty Cam buckle 1, Size: 1''/25mm 2, Breacking strength:900lbs 3,Material:metal steel Heavy Duty Cam buckle 1, Size: 1''/25mm2, Breacking strength:900lbs3,Material:metal steel4,We have different size of the buckle with different breaking strength, we can offer according to customer's requirements5,Usually sewing with strap(attached the picture as below)