Quad Lock is the strongest and most secure mounting system in the UK that integrates your smartphone into an active lifestyle.Features:Featuring a patented dual-stage Lock that's quick and easy to attach / detach, but secure enough to lift up to 80 kg (yep, we tested it). Remember, it's all in the technique, not the forceQuad Lock would never suggest throwing your iPhone off a double story building, that's just silly. But with a tough, polycarbonate core and impact absorbing TPU edge-to-edge outer shell, you can be confident that your iPhone will be protected in your everyday activitiesThe slim profile and soft touch material make it perfect for everyday use. Simplicity is key to all of our design, no showboating here