ITEM NAME:12pcs/set Soldering Station 850 Hot Air Gun Welding Heat Resistant Nozzles #JT1 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. 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. It's not suitable for handheld heat guns.