Insulated nylon 11 screwdrivers Secure Tools carries a large selection of insulated nylon 11 screwdrivers in a variety of sizes. These screwdrivers were designed particularly for working at a height to avoid mishaps caused by fallen equipment. A screwdriver is a necessary instrument for installing and removing screws, as well as tightening and loosening them. Insulated Screwdrivers are meant to protect you from voltages of up to 1000 volts. High-temperature manufacturing produces a solid one-piece tool that can endure intense impact and abrasion and is far more durable than PVC-coated goods. Secure Tools is a respected industry supplier that provides high-quality and reasonably priced tools to everyone from beginners to professionals.