ITEM NAME:12pcs/set Soldering Station 850 Hot Air Gun Welding Heat Resistant Nozzles A#S Product Description Description: Features: It's not suitable for handheld heat guns. Specifications: Nozzle: round mouth diameter 3mm,4mm,5mm,6mm ,7mm, 8mm,10mm,12mm ; square mouth 10mm ,13mm, 16.5mm, 22.5mm. Adapter inlet diameter: About 22mm/0.87" Color: Silver Material: high temperature stainless steel Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 12 XÂ Nozzles.Included: 12 X Nozzles. Material: high temperature stainless steel. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.