The Master Lock Luggage TSA 4687DNKL features a 1/8-inch diameter shackle that is 3/4 inches long and 1-3/16 inches wide, designed for secure luggage locking. Manufactured by Master Lock, a reputable brand in the lock industry, this product ensures reliable protection for your belongings during travel. The TSA feature allows airport security personnel to inspect luggage without damaging the lock, providing convenience and peace of mind for travelers.