12mm Laser Heatsink Holder 2pcs Heat Sink Holder For 12mm Laser Diode Module - Cooling Heatsink For DIY Projects 12mm Laser Diode Heat Sink Holder Cooling Module 2 Pack Dimensions 35cm L X 30cm W X 18mm H , laser componet Heat Dissipation Mount 12mm Aluminum Cooling Heat Sink Holder Mount For 12mm Laser Diode Modules 32x62mm 12mm Laser Heatsink Holder Features: Material : aluminum Dimensions 35cm L X 30cm W X 18mm H Details: This is a high quality aluminum heatsink/heat sink holder for 12mm laser modules like 12mm red, green and IR laser modules. Laser Module Mounting Bracket Laser Holder Heat Sink Suitable For 33mm... These 2 heat sink holders are made to fit 12mm laser diode modules, helping to dissipate heat and keep your setup running cool and stable. They're unbranded... It is a laser module holder and mount to fix the module. The heatsink holder can help to cool the laser to prolong the working time of laser mdoules.