Overview Reviews Product Description The 119 Lock-On chuck comes with a shut-off valve for use on live air lines. Please note, the built-in shut-off valve will not allow the 119 to work on inflator gauges. Greenline Industrial Fitting Catalog New Greenline Industrial Fitting Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Greenline 1/4" FNPT Lock-on Air Chuck 119 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *