Expand the use of your tools with this adapter. Strong cast aluminum construction Allow finishers to use lightweight button handles with threaded bracket assemblies. Tool attaches to threaded brackets to use with 1-3/8 in. or 1-3/4 in. button/snap handles. Flip it around and use the button side to attach to Button Brackets for use with Threaded Bull Float handles. Versatile adapter that works with both 1-3/8 in. and 1-3/4 in. diameter button handles. Proudly made in the USA.