The Quad Lock® Universal Adaptor can be directly adhered to smartphones; cases; iPads / tablets and most flat metal or plastic surface and is compatible with all Quad Lock® Mounts Secure Mounting The Patented Dual-Stage Lock makes it quick & easy to attach / detach your device; whilst giving you the peace of mind to know your device is securely locked Slim Profile At just 4.5mm thick; the Quad Lock® Universal Adaptor fits seamlessly onto the back of smartphones and cases Please Note: Use of the Universal Adaptor may interfere with Wireless Charging Included 1 x Quad Lock® Universal Adapter Technical 3M™ VHB adhesive Slim profile (only 4.5mm thick) Just 56mm wide and 66mm tall Durable and tough composite construction Durable and tough composite construction Surface Guidelines The Quad Lock® Universal Adaptor uses a 3M™ VHB 4952 Ahdesive which will adhere to smooth; non-textured; non-porous surfaces such as: Plastics such as PC; ABS; PVC; Nylon; Acrylic Non-painted metals Uncoated Glass The adhesive will not bond to the following substrates: Rubber; TPU; TPE; Leather; Silicone; Hydrophobic coated glass (Also known as anti-fingerprint glass; which is found on the back of most modern smartphones); Soft touch coating or paint; Low surface energy plastics such as Polypropylene (PP); Polyethylene (PE); Acetal; HDPE; Wood We highly recommend using a case with the Universal Adaptor if your phone has a glass back