IZTOSS Motorcycle Security Disc Lock Anti Thief Throttle Alarm Chain Lock Adopt imported chip powerful power support Beta 110 points Won the TUV,CE,CLASSE,SRA international certification With a waterproof cover,strong waterproof body,a long soak in the water up to 48 hours Super class B lock core,the lock core Mercedes Benz cars strong anti. All steel lock body ,with original bag lock,Lock diameter: 6mm ,Free key lock ,eays operation