SpiritLED 100 Lots Strip Light Mounting Bracket Fixing Clip-One Side Fixing,Screws included (100, Hollow Distance 12.9mm (Ideal for strip width 12mm)) Hollow Distance 12.9mm (Ideal for strip width 12mm). Hollow Height 1mm(Non-waterproof strip light only) Width 4mm.Suitable for strip lights LED quantity 30/60/120/300PCS per meter 100pcs in a lot.Easy to fix by one screw(included) High Temperature Resistance. Working Temperature:-30degree to 90degree Safe and secure to hold the strip light