These left handed drill bits are made of quality high speed M2 steel, with long-lasting titanium nitride coating. Drill bits are with 135-degree split point design, penetrates 75% faster. Left handed drill bits turn counterclockwise, which is useful for extracting broken screws.<br/>Features:<br />135-degree split point and twist design, good for self-centering and prevent &#34;walking&#34;.<br />Bits are made of high speed M2 steel with a titanium nitride coating for good durability.<br />Special left handed design can also be used with screw extractors to remove broken fasteners.<br />Attachable to reversible drills to remove screws, bolts and studs around the house, garage or on the job site.<br />Sizes included: 1/4&#34;, 15/64&#34;, 7/32&#34;, 13/64&#34;, 3/16&#34;, 11/64&#34;, 5/32&#34;, 9/64&#34;, 1/8&#34;, 7/64&#34;, 3/32&#34;, 5/64&#34;, 1/16&#34;.<br />Comes in a metal index box for easy carrying and storage.<br/>Specifications:<br />Material: High Speed M2 Steel<br />Quantity: 13pcs<br />Sizes: 1/4&#34;, 15/64&#34;, 7/32&#34;, 13/64&#34;, 3/16&#34;, 11/64&#34;, 5/32&#34;, 9/64&#34;, 1/8&#34;, 7/64&#34;, 3/32&#34;, 5/64&#34;, 1/16&#34;<br />Box Size: 13 * 8.5 * 1.8cm / 5.1 * 3.3 * 0.7in<br />Package Weight: 264g / 9.33oz<br/>Package List:<br />13 * Drill Bits<br />1 * Storage Box