1Stainless steel outer panel is sturdy and durable, the inner copper sink is of excellent heat dissipation ability 2The radiating stripe improves radiating performance effectively with more radiating square and unique welding technique 3Protect your computer from damage of overheating 4Standard G1/4 thread, compatible with most devices, easy to install 5Universal used in PC water cooling system, or other professional electronic instrument or chipset cooling Features:Stainless steel outer panel is sturdy and durable, the inner copper sink is of excellent heat dissipation ability. The radiating stripe improves radiating performance effectively with more radiating square and unique welding technique. Protect your computer from damage of overheating. Standard G1/4 thread, compatible with most devices, easy to install. Universal used in PC water cooling system, or other professional electronic instrument or chipset cooling.Specifications:Material: Copper + Stainless steelColor: Matte BlackType Options: 120; 240; 360 Size: Approx. 120-155 x 119 x 27mm / 6.1 x 4.69 x 1.06in240-277 x 119 x 26mm / 10.9 x 4.69 x 1.02in360-395 x 120 x 28mm / 15.55 x 4.72 x 1.1inInlet/outlet Thread: G1/4 Mounting Thread: 6-32UNWeight: approx. 444-1013gApplications: water cooling engineering - computer cooling system, industrial water cooling systemPackage List: 1 x Water Cooling Computer Heat Sink with FittingsNote: Please allow 1-3 cm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. .wang-edit-text{ font-family:'Arial'important; } .wang-edit-text table { border-top: 1px solid000; border-left: 1px solid000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid000; border-right: 1px solid000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }