Fits all standard B system 50ml double epoxy and adhesive cartridges 1:1 2:1, does not fit 4:1 10:1 (Note: Adhesive and dispenser not included.) [High Quality Material]The mixing nozzle is made of high quality plastic and the interface is well sealed. The spiral inside the dynamic mixing nozzle provides excellent mixing effect and no adverse reaction with any glue. Reduced adhesive waste with smaller diameter and more efficient internal mixing elements [Wide Application]This static mixing nozzle comes with a 1.5mm nozzle, suitable for bonding metal, wood, masonry, plastic and rubber, etc., Weight: 1.88715696272 pounds, Manufacturer: Prterver