1 inch Cam Buckle 250kgs 1, Size: 1''/25mm 2, Breacking strength:25okgs/550lbs 3,Material:Die cast zinc plated 1 inch Cam Buckle 250kgs1, Size: 1''/25mm2, Breacking strength:25okgs/550lbs3,Material:Die cast zinc plated4,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)