Feature:<br />-100% new and high quality.<br />-Easy processing， high hardness， bending strength.<br />-Drilling resistance is small， smooth chip removal， easy to hot， more durable.<br />-Good toughness and abrasion resistance.<br />-Can be used for angle iron， aluminum， metal， plastic， wood and other sheet openings.<br /><br />Specifications:<br />Product name: Drill<br />Material: High speed steel<br />Color: Silver<br />Total length: 34-133 (mm)/1.33"-5.23"<br />Blade length: 12-87 (mm)/0.47"-3.42"<br />Shank Diameter: 1-10 (mm)/0.039"-0.39"<br />Blade diameter: 1-10 (mm)/0.039"-0.39"<br />Quantity: 170Pcs<br />Weight: 3874g<br /><br />Package Include:<br />5x Each size( 8.5， 9， 9.5，10mm)<br />10x Each size(1，1.5，2，2.5，3，3.5，4，4.5，5，5.5，6，6.5，7，7.5，8mm)<br />