QST 3pcs Chrome Vanadium Steel Socket Bit Adapter Set Hex Shank Extension Drill Bits Hex Bit Set Power Tools<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>All Sockets Standard 1/4" Hex Shank</li><li>1/4" x 65mm Long， 3/8" x 65mm Long， 1/2" x 73mm Long</li><li>Suitable for Quick Change 1/4" Chuck Systems or Directly into Drill Chuck</li><li>Perfect for your impact driver or drill， and allows you to replace your ratchet with a power tool</li></ul></div><img src="http://ecx.images-amazon.com/images/I/418S8OUj-iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41YMA5HjjgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41T0Wk4YgUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51uCnTTbvAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vj9NMeDML.jpg" noproxy>