The Master Lock cable lock with key is 1.8 meters long and made of twisted steel with a diameter of 8 mm for added strength and flexibility. The protective vinyl coating prevents scratches. An integrated locking mechanism with pin tumbler offers better protection against lock picking. The bright colors make identification easier; random colors include blue, red, or transparent. This bike lock is ideal for bicycles, e-bikes, skateboards, strollers, lawn mowers, and other sports equipment. The limited lifetime warranty gives you the assurance of a brand you can trust.