Stan Perfex Thumb barrel fastener kit 2 screws and 2 washers $20.00 Add Review Ask Question Product Description Reviews (0) Questions 2 screws and 2 washers Currently there are no reviews for this product. Currently there are no questions for this product. Similar Products Stan Onnex Thumb Barrel Kit $35.00 View... Stan Onnex Resistance Echo Grey $399.00 View... Stan Perfex Thumb Thumb Knob black $50.00 View... Stan OnneX Clicker Thumb Sage $445.00 View...