Retractable cover for GMC Canyon

For our roller shutter cover and tonnau cover and retractable truck lids, the locks in strict accordance with the national requirements to achieve: A-level lock mutual opening rate of 0.03%. Three of the 10,000 locks are the same (there is a probability that different locks can be opened with each other, which is called the mutual opening rate. The lower the mutual opening rate, the safer). The material is aluminum alloy integrated die-casting: the lock is used outdoors and tested 12 month, the lock function is normal, each set of products is equipped with a bottle of silicone oil, safe and anti-theft,Retractable Pickup Top Cover,Roll N Lock Pickup Lid,GMC Roller Shutter Covers