ITEM NAME:Heat Resistant Silicone Seam Hand Pressure Roller Roofing Weld Soldering Description: Non-stick and heat-resistant, specially designed for single ply roofing work. smooth-running and durable to use. Used to compress roofing & flooring membranes when effecting sealing, joining, welding or repairing flexible pvc plastic materials. Suitable for any type of seam rolling. Specification: 40mm Red Silicone Wheel- Whole Length: 18cm; Size (Wheel Length x Diameter): 4 x 3cm Package Includes: 1 Piece Silicone Seam Roller.Non-stick and heat-resistant, specially designed for single ply roofing work. 1 Piece Silicone Seam Roller. Suitable for any type of seam rolling. smooth-running and durable to use.