Diablo Hole Saw Extension, 18 x 7/16-In. Brand_Valley Forge Flag Audio indicator plays a continuous

Audio indicator plays a continuous tone when in level and progressive beeps as the user approaches level or plumb

Five 8D x 1-1/2" Nails To Plate

Universal Fit Accessory – works with all brands of oscillating tools

Electron beam weld for stronger

Two hand grips

Diablo Hole Saw Extension, 18 x 7/16-In. Brand_Valley Forge Flag Audio indicator plays a continuousDiablo, 18" x 7 16", universal extension, extend reach in hard to access areas, no tools required in order to attach accessories, quick change feature allows users to switch between accessories with no down time, ideal for use with diablo's snap lock plus hole saw mandrel.