Item Type: Seam Roller_x000D_Material: Gangwood, Brass, Silicone_x000D_Product Size: Approx. 230x40x32mm / 9. 1x1. 6x1. 3in_x000D_Wheel Size: Approx. 29x6mm / 1. 1x0. 2in_x000D_Application: for Membrane Material, Plate Welding, Leakage Welding, Etc 1Material: The roller is made of silica gel, not easy to wear, durable, high temperature resistance 280 degrees Celsius, long service life, more dirty resistance. The handle is made of gangwood, which is ergonomic 2Bearing Design: Seam roller adopts bearing design, stable operation, flexible, effectively improve the welding speed and construction quality 3Detachable Structure: Seam roller adopts detachable structure as a whole, which makes the replacement of bearings simple and convenient, saving our time and energy 4Widely Used: Mainly used for membrane material, plate welding, check waterproof layer weld, leakage welding, etc, PVC, for TPO coil welding seam, adhesive seam for EPDM, etc 5Utility: When two different joint tools are required, the combined joint roller provides convenience and can meet the different needs of people