Overview Reviews Product Description Snap-On D010 Die 1/4-20 NC 1 Inch Double Hex Adjustable. Product Videos Custom Field Product Reviews Write a Review Write a Review × Snap-On Snap-On D010 Die 1/4-20 NC 1 Inch Double Hex Adjustable Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *