new and unused. Made of high-quality materials. Equipped with hexagon wrench, easy to install. 1/4inch hex shank can be used with power drills and quick change chucks. The adjustable stop collar allows you to either set the screw flush with the or drill.<br><br>Suitable for woodworking drilling, counterbore. The actual product may have slight color difference or difference, which not affect the use Product name: Countersink Drill Bit Color:Blue Material: Metal Size: 2.8x8mm,3x8mm,3.2x8mm, 3.5x8mm<br><br>Package Contents: 4 x Countersink Drill Bits with wrench<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.