Specifications 1, zinc alloy made; 2,inner width: 25mm travel bags/backpack/laptop(computer) bag,suitcase,piggy bag used. bags or luggage accessoriesfitting trolley case/backpack/laptop(computer) bag,suitcase,piggy bag,travel case, travel bags used Specifications1,material, zinc alloy made. 2,inner width: 25mm 3. net weight, 16.7g/pcs4.color: nickle plating, black nickle plating , gold plating is ...