PACKING DETAILS: This 10 pack (1m/3.3ft segments) U-shape aluminum channels/extrusions/profiles come with 10pcs of milky pc cover, 20pcs of end caps,20pcs of mounting clips, 20pcs of screws (for mounting on Wood Surface),and 20pcs of expansion screws(for mounting on Concrete or Gypsum Wall). PERFECT SHIELD FOR LED STRIPS: Not only do aluminum channel systems dissipate the heat produced by LEDs, but the cover protects the LEDs from exposure to dust, hair and physical contact. VERSATILE&EASY INSTALLATION: Fits most popular LED strip types (such as 3528, 5050 & 5630 LED strips). Accepts LED strip lights up to 12mm wide. Can be cut and customized to suit any project. Simply stick the LED strip light\'s adhesive backing inside the channel, snap on the diffuser cover, and mount the channel whenever desired. Can be surface mounted and recessed. MULTIPLE APPLICATION: Achieve under-cabinet and back splash lighting, accent and back lighting with ease. Light up your kitchen, living room, patio, bedroom, closet, and much more with ease. SOUND QUALITY: The track is a sturdy u-shaped anodized extruded aluminum channel full of grooves for better heat dissipation; Milky white pc diffuser works well to help spread the light more evenly from the LED strip lights; METAL mounting brackets are heat-resisting,no deformation and hold the led channels firmly so you never worry about them falling off.