Application: Our LED Strip Channel Roller Tool is perfect for both professionals and DIY enthusiasts who work with LED strip installations. It ensures a professional finish and enhances the overall aesthetics of indoor and outdoor lighting projects, such as accent lighting, architectural lighting, and signage. Total Length: 215mm / 8.46 inch; Wheel Diameter: 38mm / 1.5 inch, 46mm / 1.81 inch; Slot Width: 4mm /0.16 inch Advantage: With a flat and even pressure distribution, our roller tool ensures that the LED strip stays in place without bending or damaging the LED chips. The ergonomic handle provides comfort during use, making it a versatile tool for various projects. Instruction: Simply hold the LED strip in one hand and the roller tool in the other. Apply gentle pressure along the length of the strip, ensuring a uniform and secure adhesion to the channel. Use the different-sized ends of the tool depending on the specifications of your LED strip to achieve a perfect fit. Notice: Ensure that the LED strip is clean and free from dust or debris before using the roller tool. Material: Metal, Plastic Color: Blue, White Total Length: 215mm / 8.46 inch Wheel Diameter: 38mm / 1.5 inch, 46mm / 1.81 inch Slot Width: 4mm /0.16 inch Package Contents: 2 x LED Strip Channel Roller Tool.Items from Sheng Xinshun's shop