Package includes: 50pcs blue epoxy mixing nozzles, 1:1/2:1 ratio nozzles fit all standard B system 50ml cartridges, compatible with all major adhesive brands. Not suitable for 4:1 and 10:1 B systems 50ml adhesive cartridge, reduces adhesive waste with smaller diameter and more efficient internal mixing element. 【High Quality Material】The mixing nozzle is made of high quality plastic and the interface is well sealed. Spiral static mixing nozzle, excellent mixing effect, no adverse reaction with any glue. 【Wide Application】This static mixing nozzle is equipped with a 1mm nozzle and is suitable for bonding metal, electronic component potting, wood, masonry, plastic and rubber, etc. The high performance mixing nozzle works with all standard 50ml B system cartridges and is compatible with all major adhesive brands. Dimensions: Length 77 mm/3.3 inches. Note: Due to different monitor calibrations, there will be slight color differences, please refer to the actual situation. Package includes: 50pcs blue epoxy mixing nozzles, 1:1/2:1 ratio nozzles fit all standard B system 50ml cartridges, compatible with all major adhesive brands. Not suitable for 4:1 and 10:1 B systems 50ml adhesive cartridge, reduces adhesive waste with smaller diameter and more efficient internal mixing element. 【High Quality Material】The mixing nozzle is made of high quality plastic and the interface is well sealed. Spiral static mixing nozzle, excellent mixing effect, no adverse reaction with any glue.