This is a 0.9mm Thorp Hex Driver from MIP. MIP has picked up the Thorp hex drivers to carry on the tradition of quality that the old Thorp ball end drivers brought you. FEATURES: High Quality Steel Construction Tip Precision Cut Tip for Accuracy Durable Plastic Handle High Grip Handle INCLUDES: One 0.9mm Thorp Hex Driver COMMENTS: The tips are non replaceable, but if you send the driver into MIP they will regrind the tip for you for a small fee. MIP will also regrind the older Thorp drivers as well. cnh 3/12/09 ir/jxs