The surface of the sound pressure roller is made of silica gel. The material with good toughness will not broken the sound insulation material. It is wear-resistant, smooth and resistant to high temperatures. Product dimensions Roller size: 5 cm / 2 inches, Roller diameter: 3.5 cm / 1.4 inches, Handle size: 12 cm / 4.7 inches, Total length: 17.5 cm / 6.9 inches. Easy to use. Two-way bearing Ensure stable and flexible operation, effectively improve welding speed and construction quality. Comfortable use Solid wood handle, wear-resistant, ergonomic design, reduce hand fatigue, feel comfortable. Removable structure, easy and convenient to replace bearings. Wide application Helps with quick application of "carpets" or headliners inside the car to dampen road noise. Suitable for high temperature welding of PVC waterproof film, sealing strip stickers, sound bars. Features: 1. Made of material for durable use. 2. Press evenly for application, minimize air bubbles and achieve the best adhesion. 3.Hand Roller is suitable for high temperature welding such as PVC waterproof membrane and tarpaulin membrane. 4. A great gift for your friend and family. Specification: Material: Silica gel + wood Color: black + yellow Size: 17.5 * 5 cm Package includes: 1x Pressure Roller Note: Please allow 0-1 inch error due to manual measurement. Thank you for your understanding. These items are all in-kind shooting, but due to different lighting or displays, a slight color difference will inevitably occur, and the color of the product will depend on the actual situation.