This is a 5/64" 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 5/64" Hex Driver REQUIRES: Nothing 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. jlh 2/17/99 ir/jl