T-H Marine 54in Battery Strap w/Stainless Steel Buckle One Size. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Package Contents: T-H Marine Battery Strap w/Stainless Steel Buckle T-H Marine BS-1-54SS-DP: 54in Battery Strap w/Stainless Steel Buckle One Size