Tamper Proof Security Bits 8pc Set T5 T6 T7 T8 T9 T10 T15 Torx<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sizes T-5 and T-6 are 6 point star bits commonly used on cell phones and hard drives(no center hole)</li><li>Sizes T-7，T-8，T-9， T-10 and T-15 are 6 point tamper-proof security bits (with center hole)</li><li>Heat treated alloy steel， Precision machined sandblasted bits</li><li>Includes 1/4" hex to 1/4" square drive adapter to fit a cordless drill， nut driver， or ratchet.</li><li>Includes plastic storage case so the bits you need are always handy</li></ul></div><img src="http://ecx.images-amazon.com/images/I/414JCXVADCL.jpg" noproxy>