Package Include:<br />5x Hole saw drill bit<br /><br />Specifications:<br />Product name: Hole saw drill bit<br />Size: 16mm/0.62" ，  18.5mm/0.72" ，  20mm/0.78" ，  25mm/0.98" ，  30mm/1.18"<br />Material: HSS high speed steel<br /><br />Feature:<br />High-