Extended Copper Heat Sink

MADE IN USA. This is the extended copper heat sink that is included with the Survival Laser II and IISE parts bundles using the S4 black anodized aluminum host assembly. The SL-CHS2 is sized to fit a 12mm diameter standard diode module and includes a 3-48 set screw (installed) and a 0.050' Allen wrench. Also fits other Aurora C6 18650 hosts.