Specification:<br /><br />Brand new<br /><br />Material: HSS Drill 4241<br /><br />Black chamfer drill body material: steel #45<br /><br />Color: as picture shows<br /><br />Single flute edge chamfer 90 degree<br /><br />Great drill accessory for any work<br /><br />Heat treated & tempered high-carbon steel with Titanium Nitrate coating for superior cutting power<br /><br />Use on steel， aluminum & other metals， plastic or wood<br /><br />Enlarge or countersink holes， deburr edges; 15-degree chamfer<br /><br />Dimension:<br /><br />3mm(Dia) x 60mm(L)<br /><br />4mm (Dia)x 75mm(L)<br /><br />5mm(Dia) x 85mm(L)<br /><br />6mm (Dia)x 93mm(L)<br /><br />7mm(Dia) x 10mm(L)<br /><br />8mm (Dia)x 11mm(L)<br /><br />10mm(Dia) x 12mm(L)<br /><br />Package included:<br /><br /> 7pcs x woodworking chamfer<br /><br />1pc x L-wrench (other accessories are not included)