General description These 6X 4 Speed Welding Nozzles are designed for use with PVC plastic and vinyl hot air blowers. They come in various shapes and sizes to accommodate different welding needs, making them versatile tools for DIY and home improvement projects. Technical specifications Color: Silver Material: Alloy Sizes: 5mm, 7.5mm Package Contents: 6 x 5mm Standard Nozzle 6 x 7.5mm Round Welding Nozzle 6 x 7.5mm Triple-cornered Speed Welding Nozzle 6 x Filling Nozzle Measurement allowed error: +/- 1-3 cm