Upgrade E3D V6 Heatbreak Bi-Metal Titanium Alloy & Plated Copper Bi Metal Throats for E3D V6 Volcano Hotend Prusa I3 MK3 Product Description: PREMIUM PERFORMANCEOrdinary bimetal heatbreak torque is less than 5kg, the inner hole has a poor finish, the connection part is fixed by glue, vwhich is very easy to fall off and affect printing. Our product is processed by precision Swiss-type 5-axis machine and made by precision pressing mechanism. The inner hole finish is 0.3 and the torque is more than 10kg. BI-METAL HEATBREAKHigh quality titanium alloy + plated copper,real bimetal material ,combined with 2 components PLATED COPPER HEATSINKTwo components with different thermal conductivity.improve heat dissipation efficiency PACKAGE INCLUDEDComes with 1 pc Bi-metal V6 heatbreak for 1.75mm filament. V6 HEAT BREAKThis heatbreak is used for the 1.75mm V6 Hotend. About the shipping way (please choose your best shipping way when you placed the order) 1. Cainiao Super Economy Global -----this is the cheapest shipping way, but also has the long shipping time normally about 30-60days 2.SaverShipping-------------this is the most compatiive shipping way, shipping time about 20-35days 3. Standard Shipping--------this is the most safe and fast shipping way, shipping time about 15-25days