Stan Fastner Adjustment screw $5.00 Add Review Ask Question Product Description Reviews (0) Questions Currently there are no reviews for this product. Currently there are no questions for this product. Similar Products Stan Onnex Thumb Echo Grey Thumb $395.00 View... Stan Onnex Resistance Echo Grey $399.00 View... Stan Onnex Thumb Sage Green Thumb $395.00 View... Stan Perfex Thumb barrel fastener kit $20.00 View...