HTX 80 M: 2.0 2.5 3.0 4.0 5.0 6.0 8.0 10.0 mm .Bondhus® T-grip Handle. The welded and ergonomically designed handle provides increased power and eliminates hand injuries. The vinyl-coated handle, red for mm, yellow for inches, is marked with the dimension. The blade. This Bondhus tool has extra long blades for greater accessibility in tight spaces. The ball. The strong ball has superior torque and can be tilted 30° while maintaining torque.