Tether Loops Tether Loops are your ideal solution to quickly creating tether points for any tool with a captive tool or handle. Whether you’re working with a hammer, spanner or wrench, Tether Loops help keep your tools safe, especially when working at height. Designed using a handy one-way thread and Lock Alert™ indicator, you can quickly check whether each loop is installed correctly. And the inclusion of hard-wearing aircraft-grade steel core with an extended thread device guarantees a secure attachment point for tools weighing up to 3kg. Available in three sizes, Tether Loops are extremely simple to use and incredibly effective in preventing unwanted tool drops.