Stan Onnex Thumb Barrel Kit Comes with small, large barrel and locking slug $35.00 Add Review Ask Question Product Description Reviews (0) Questions Comes with small, large barrel and locking slug Currently there are no reviews for this product. Currently there are no questions for this product. Similar Products Stan Perfex Resistance release $395.00 View... Stan Perfex Thumb Thumb Knob black $50.00 View... Stan Fastner Adjustment screw $5.00 View... Stan Onnex Hinge Heavy Metal $420.00 View...