<p>【Specifications】:</p> <p>Material:carbon steel</p> <p>Color: White</p> <p>Size:Diameter:3/4" (19mm),7/8" (22mm),1" (25mm),1-1/8" (28mm),1-1/4" (32mm),1-1/2" (38mm),1-3/4" (44mm),2" (51mm),2-1/2" (64mm),3" (76mm),3-1/2" (89mm),4" (102mm), 5" (127mm)</p> <p>Cutting depth: 25 mm</p> <p>Applications:plasterboard, plastic, wood, MDF, aluminum, computer tables etc</p> <p>Notice:</p> <p>1. When using the hole saw, don't forget to install the plate, which can fix the hole cutter. This point is most important.Put the Installation plate between saw blade and nut can be useful to prevent saw blade from being damaged.</p> <p>2. It’s recommend using machines with drill speed less than or equal to 1000 rpm, which can prolong the life of the hole saw.</p> <p>3. Please wear protective goggles and gloves when cutting, because it's safe for you.</p> <p>4. After the use of a few anti-rust oil on the surface of the filter to avoid natural oxidation, can improve its service life.</p> <p>5. Not suitable for hard material such as metal, stone.</p> <p>Package Content:</p> <p>13 × Hole Saw</p> <p>2 × Mandrels</p> <p>2 × Hex Key</p> <p>3 × Install Drill Bit</p> <p>1 × Install Plate</p> <p>1 × Storage Box</p>