Specifications:Material: PlasticLength: approx.83mmInner diameter: approx 6mmOutside diameter: approx 7.6mmDischarge caliber:1.5mmMixing ratio:1:1,1:2 universalElement: 16Suitable for mixing epoxy resin AB glue acrylic adhesive structural adhesivePackage included:500pcs AB Glue Mixing Nozzles