Material Cover: Aluminum lock head Core: Zinc alloy Insert: A3 (Q235) low carbon steel Wire: Galvanized carbon steel Surface treatment: Plating Printing: Laser printing 1)Printing specifications: customer name or acronym on top , sequential numbers on the bottom 2)Logo: Per request 3)Serial numbers: Laser printing with back color , up to 7 characters of more than 2mm height, or customized How to seal it ? After the user seal it, we suggest the user cut the wire at the end. because the wire is NPC,The wire will be scattered like the pictures on the left. it is more security. How much is the tensile strength ? We tested the seals in the general weather, The tensile strength is more than 170kgs (375lbs) Packing 1) PE Bag : 100 pieces per pag ( according to length and weight ); With the same range of serial numbers; 10 bags one carton box 2) Box Size: 39x38x11cm 3) Packed in Pallets Our service 1 Any inquires will be replied in within 24 hours. 2 Samples production and delivery service can be provided. 3 OEM/ODM accepted. 4 All products have been strictly quality test in our factory before packing. FAQ: Q1:Why choose Shandong Bochuang Lock? A:Manufacturer all kinds of seal,with low price,high quality and short delivery time Q2:MOQ and Delivery Time? A:1 piece is ok. Delivery on time. Q3:How about the samples? A:Samples are free and express charge is paid by the buyer. Q4:How about the payment term? A:West Union,T/T. 30% advanced payment,70% balance before the shipment. Q5:How much about the mold? A:Mold is free for you once details are confirmed.