Do you have instruction on how the attach the DWASHRIR to an impact driver? Support November 17, 2020 13:49 Updated Follow To attach the DWASHRIR to a 1/4 hex impact driver please see below: Related articles Can I use my impact driver as a drill? What is the maximum size socket that can be used on our impact wrenches? What model impact drivers will the DWASHRIR work with? Where can I start an online warranty repair claim? Why is the product registration site not working for me? Comments 0 comments Please sign in to leave a comment.