Product Demonstration Video
We make a 4 min video for showing up more details of this lock..
1.Made from 20T Special Hardened Steel Alloy. With special heat treatment, the surface hardness is equal with mould tool. no chance for being thumped, sawed, sheared and drilled. 2. High security Anti lock pick Swiss Cylinder technology, no chance for master key. 3. The finest part of the key teeth is curved 0.3-0.6mm, which avoid the key being copied. 4. This chain lock use durable 900 danier weather-resistant nylon sleeves, long-life service and prevent from scratches. 5.With anti-drilling cap amd anti-dust cap, prevent electric driller, the water, mud, and dust. 6.Includes 2 Anti-rust palting zinc-alloy keys. Never deform nor rusty.
Brand name: ETOOK Model: ET-555 3 Size available: 75cm/ 90cm/110cm Weight: 1430g /1630g /1830g Material: 8mm four-sided chain links Key: Copper-nickel alloy Security level: Level 5- (long period in the night, against professional thief)
Please note that: we have two colored surface plating of zinc metal. One is silver color, one is gold color. They are the same