<b>NEICOTOOLS Single Ply Roofing 45mm Silicone Seam Roller with Heat Gun 40mm Flat Weld Nozzle and 20mm Weld Tip for Triac Hand Held Plastic Welder, Hot Air Welding Gun</b><br><b>The kits includes:</b><br>1pcs 45mm heavy duty silicone seam roller with ball bearings<br>1pcs 40mm stainless steel flat weld nozzle(Dia.:32mm)<br>1pcs 20mm stainless steel flat weld nozzle(Dia.:32mm)