Specifications:- Overall Dimension(LxWxH) 39 3/8" x 11/16" x 5/16" (100 x 1.7 x 0.8 cm)- Suitable Strip Light Flat Base Width to 1/2" to 9/16" (14 to 15 mm)- Suitable Strip Light Flat Base Height 5/16" (8 mm)- Material Pvc- Total Net Weight 1.32 Lbs (0.6 kg). Package Contents:- 20x Strip Light Mounting Holders. Notice: - Please note that strip lights are Excluded.- To prolong the lifespan, please do not use the mounting holders outdoors, they are only for indoor use.