Notice: Due to different monitor calibrations, there will be slight color differences, please refer to the actual situation. Package includes: 25pcs epoxy mixing nozzle, 1:1 /2：1ratio nozzle Fits all standard B-System 50ml 1：1/2：1double barrel epoxy and adhesive cartridges (Note: Adhesive and dispenser not included.) Not suitable for 4:1 and 10:1 B-System 50ml double barrel epoxy and adhesive cartridges Reduced adhesive waste through smaller diameter and more efficient internal mixing elements 【High Quality Material】The mixing nozzle is made of high quality plastic and the interface is well sealed. Dynamic mixing nozzle inside the spiral, excellent mixing effect, no adverse reaction with any glue. 【Wide Application】This static mixing nozzle comes with a 1.5mm nozzle, suitable for bonding metal, wood, masonry, plastic and rubber, etc. High Performance mixing nozzle for use with all standard 50ml B-System cartridges, compatible with all major adhesive brands. Size : 92cm /3.62 inch in length.