The NR1-M Nylon rivet is for use with TNR rivet tool. Mean pull-off force: PVC 90 lbs; Type NE/Type NNC 70 lbs. Mean shear force: PVC 139 lbs; Type NE/Type NNC 126 lbs. Color White. 1000 per package. This product is a hygroscopic material. It is recommended to be kept sealed until ready for use.