100 Pcs 21x15x10mm Black Aluminum Heatsink for TO-220 Transistor<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Product Name : Heatsink;Material : Aluminium</li><li>Fit for : TO-220 Transistors;Color : Black</li><li>Mount Hole : M3 Screw Hole;Overall Size : 21 x 15x 10mm/ 0.83" x 0.6" x 0.4" (L*W*H)</li><li>Weight : 268g</li><li>Package Content : 100(+/-2%) x Heatsink</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Tvxp8PNcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41uFTzCG%2BnL.jpg" noproxy>