uxcell 10 Pcs 21x15x11mm Black Aluminum Heat Sink for TO-220 Mosfet Transistors<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Mount Hole : M3 Screw Hole;Material : Aluminium </span></li><li><span class="a-list-item"> Fit for : TO-220 Transistors;Color : Silver Tone </span></li><li><span class="a-list-item"> Overall Size : 21 x 15x 11mm/ 0.83" x 0.6" x 0.4" (L*W*H) </span></li><li><span class="a-list-item"> Aluminum heatsink cooling </span></li><li><span class="a-list-item"> Strong heat conductivity and heat dissipation </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41HuOUOMPrL.jpg" noproxy>