Hexagonal blade extending through the handle 977 TX 27 X 125 MM TORX DRIVER Blade edge: T27; Total length: 9.1 inches (230 mm); Shaft length: 4.9 inches (125 mm); Weight: 4.9 oz (127.6 g) Handle markings simplify finding and sorting of tools An integrated impact cap lengthens the service life and reduces the danger of splintering The hexagonal non-roll feature prevents any annoying rolling away, Weight: 0.29 pounds, Manufacturer: WERA