This Flush Cut Blade Assortment Pack includes 3/8-Inch, 3/4-Inch and 1-1/4-Inch flush cut (e-cut) blades for plunge cuts and flush cuts in wood, plastic, drywall and other soft materials. They are constructed of stainless steel. This Universal quick-fit system allows this blade to fit nearly every Oscillating Tool on the market; most with NO Adapter Needed. This is an excellent accessory for our popular Genesis GMT15A, GMT16V and GMT25T Oscillating Tools.