We are Manufacture, True Quality, Well-packed, buy with confidence! 3 Ways to Hold/Fix the LED Aluminum Channel * By Mounting Clips: Please search for "B077HQPG5Q "(End caps included) * Pre-drill the base and slightly countersink to get the screws to lay flat * Use Double Sided Foam Tape: please search for "B074J3X2SJ" Specifications: * Configuration: U-Shape * Max. LED Strip Width: 12mm * Channel Finish: Anodized Extruded aluminum * Cover Material: Milky Plastic * Length: 10*2meter segments (20m total) Package includes: 10*2m (6.6ft) Silver Aluminum U-channel 10* 2Milky white PC cover 20 x Metal Mounting clips 20 x End caps (10pcs in deaf and 10pcs with hole) 40 x Screws Note: LED strip light is NOT included. Frequently Asked Questions: Q:Can these be cut down to specific length? A:They are aluminum so they can be cut down with a hand saw or air saw. These can be cut down to any length you desire with a hand saw or air saw. Q:Did NOT come with mounting hardware that it said it came with? A: For the people who said that the end caps and hardware weren't included, they need to look closer. They are stuck in one end of the box - not loose. You need to open both ends of the box Q:Can it be used for Philips hue plus 2nd Generation? A: No, but wider channels are available for this use. Please search "B07JZ1QHPY" for 16mm wide channel, or search "B01M4IVQHO" for 20mm wide channel.