Product parameters::DeltaSize : 43 * 44 * 34mm ( including fan)Material : aluminumWeight : 35gCooling Stand includes : 2 M3 Jimi screws , 4 mounting nuts , insulating shims several optional 12v or 24v fan( no special instructions default 12V fan ) .Product processing technology: CNC machining , high precision products , metal surface treated .Products suitable range : J-HEAD or E3D of 3D printing equipment, mainly the delta structure (E3D or J-HEAD) extrusion head portion of the radiatingProduct Features: Cooling