Strap-Lock Security Seals have a metal locking mechanism for a high level of security. Available in lengths of 8" or 10", with a strap diameter of 2.2 mm. Average break strength is 33 lbs. Flag is 2.75" by 1.125" in size. The seal is tamper evident but the tear-away tab allows for easy removal. Custom printing is available, call today for a quote. Stocked sequentially numbered. Samples available upon request.