<b>Abuff Bi-Metal Hole Saw, 38mm Depth HSS 4-1/2 Inch Hole Saw Blade with Positive Rake Teeth for Cutting Soft Metal, Drywall, Plastic, Wood, Fiberboard</b><br><br> ▶<b>Material: </b>M42 HSS, Bi-metal --- Durable and no rust. <br><br> ▶<b>Size：</b>4-1/2 Inch --- Suits for grommet hole, recessed light and can light hole Drilling. <br><br> ▶<b>Depth：</b>38 mm --- The spring on the drill would automatically pushes the disc out of the saw immediately after completing the hole. <br><br> ▶<b>Sharp saw: </b> --- The extremely sharp blade of this hole saw for hard and soft woods is able to cut clean, round holes in stainless steel, alloy plate, iron, plastic sheet, copper and brass. <br><br> ▶<b>Package: </b>1x 4-1/2 inch Hole Saw Blade --- Perfect saw blade replacement. <br><br>