Double End Combo Seam Rollers: Combination seam rollers provide convenience when two different seaming tools are needed. High Quality Material: Bearing double ended roller, 40mm silicone pressure wheel, 30mm copper pressure wheel, wear resistant, durable, and high temperature resistant. Corner Seam Brass Press Wheel: Brass detail rollers are great for detail work on tight angles and corners, as well as seams around fixtures. Multifunction: Welding handheld roller can weld thermoplastic membranes such as tarpaulins, advertising cloths, PVC waterproof membranes, etc., and can be welded and flattened. Comfortable Handle: Hand pressure roller weld tool has a comfortable wooden handle that is ergonomically designed to provide maximum pressure, perfect for long hours of work. Specification: Material: Wood Product Size: Total Length 230mm Package Includes: 1 Combo Seam Roller Note: Please allow slight errors due to manual measurement and different monitors.