Bright chrome plated zinc-alloy die-casting lock body and cylinder, brass pin. The material of lock body and cylinder could be change into brass or stainless steel. Black PVC coated carbon steel cable provides over 5000N.m in pulling test. Over 10,000 key combination and master key system available. You can choose two kinds of anchor point for it, one is circular and another one is square. It could used on tablet, phone and other devices which without a standard lock slot.