TorqueMaster® represents decades of fastening innovation. Incorporating a Tri-Lobe design that dovetails with the hand, and Gel-Grip for increased torque and turning power, as well as precision machined S3 SVCM Alloy Steel blades for durability. TorqueMaster® incorporates professional grade features such as colour coding and drive indicators that are visible from all angles and make it incredibly easy to find the screwdriver that you need, whether it's in your tool box or tool belt. TorqueMaster® - The screwdriver perfected.