TruSemi BK-T220-0062 Twin TO220 Heatsink

TruSemi-TO220-Heat-Sink-12-5-deg-C-W-TruSemi-BK-T220-0062-p-A-pre-drilled-black-anodised-aluminium-bolt-on-heatsink-for-use-with-either-one-or-two-TO220-packages-p-TruSemi-BK-T220-0062-Twin-TO220-Heatsink

Price: 1.38 from Rapid Online Rapid Electronics Ltd.