Original aluminum alloy driver feed for CR-10/CR-10S/CR-8/CR-7, it is stable and durable.
Full metal aluminum alloy,diy aluminum block, need to assemble by yourself
With better stronger pressure pushing the filament into the printer nozzle
High Quality?Metal extruders are more resistant to corrosion than plastics with anti-rupture and better squeeze.
It will also allow to print faster with sustained quality and no risk for grinding the filament.