Master Lock 646T Set Your Own Combination Luggage Lock, 2-Pack Luggage lock is best used as a luggage lock or backpack lock Set your own three-digit combination luggage lock for keyless convenience Small combination lock is constructed with a solid metal body, black finish, and steel shackle 13/16 in. (21 mm) wide lock body; 1/8 in. (3 mm) diameter shackle with 11/16 in. (17 mm) length, 3/8 in. (10 mm) width Two small set your own combination luggage locks