These seals are used on both crimp and notch joint applications. They must be threaded over the overlapping strap ends before the tensioning tool is applied. Generally used on bales, bundles and large strap sizes, thread-on seals are made for 1 ¼” – 2” (31.8 – 50.8 mm) strapping and can be used on both dry and lubricated strapping. Used with: steel strapping