If you need longer bits to drill thick wood, this drill set is highly recommended. They are sharp, pretty durable and work well on your woodworking.<br /><br />Features:<br />Brad point starts bit drilling on center.<br />Extra long(12&quot; long) straight brad point.<br />High-carbon steel, high quality with good durability.<br />High hardness and sharp, perfect for drilling the extra thick wood.<br />It includes 7 sizes in one drill bit set(4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm), which meet your different needs perfectly.<br /><br />Specifications:<br />Material: High-carbon steel<br />Package Weight: Approx. 507g / 17.90oz<br />Package Size: Approx. 38 * 14.5 * 1.3cm / 14.96 * 5.71 * 0.51in<br /><br />Package List:<br />7 * Wood Drill<br><img src="//agdetail.image-gmkt.com/m430/045/093/827093045/img/agdetail.image-gmkt.com/045/093/827093045/img/img.tomtop.com/product/xy/2000/2000/p/gu1/E/0/E1360/E1360-1-6476-1FUx.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/045/093/827093045/img/agdetail.image-gmkt.com/045/093/827093045/img/img.tomtop.com/product/xy/2000/2000/p/gu1/E/0/E1360/E1360-1-6476-KooW.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/045/093/827093045/img/agdetail.image-gmkt.com/045/093/827093045/img/img.tomtop.com/product/xy/2000/2000/p/gu1/E/0/E1360/E1360-1-6476-qx0V.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/045/093/827093045/img/agdetail.image-gmkt.com/045/093/827093045/img/img.tomtop.com/product/xy/2000/2000/p/gu1/E/0/E1360/E1360-1-6476-zmYG.jpg" /><br>