About Park Tool T8 Precision Torx Compatible Driver (DTD-8)The DTD-8 is a precision component Torx®-compatible driver machined to exact standards to ensure a perfect fit on compatible component fasteners. The stubby size of the DTD-10 provides extra control during removal and installation of delicate hydraulic brake fittings. Featuring an ergonomic CNC-machined hard-anodized 6061 aluminum handle and a precision T8 tip. Features T8 Torx®-compatible wrench Not intended for high-torque applications Total length: 95 mm (3.75") Shaft length: 43 mm (1.7") Weight: 63 g (2.22 oz.) About Park ToolPark Tool are the world's largest bicycle tool manufacturer. Located in St. Paul Minnesota they have been designing and manufacturing bicycle specific tools since 1963. Their dedication to quality and innovation have gained them the reputation for producing the best bicycle tools in the world.