Insulated Tamper Torx Screwdriver for Working at Height Secure Tools offer a wide selection of insulated tamper screwdrivers designed for working at height. Available in a range of sizes to suit different screws, these insulated screwdrivers are designed to let you carry out electrical tasks safely. Comprised of top-quality moulding, our insulated tamper Torx screwdrivers are immensely successful in protecting against electric shock and arcing up to 10,000 volts, making them the perfect tool for all kinds of construction trades. And to increase safety even further, each item includes a hard-wearing open ring attachment point, letting you tether the screwdriver to your harness. This helps prevent tool droppages when working up high.