Features: 1.Original aluminum alloy driver feed for MK8, it is stable and durable. 2.Full metal aluminum alloy,diy aluminum block, need to assemble by yourself. 3.High quality. 4.Left hand Specifications: Product Name: Extruder Color: Black Type:Left hand Fit To: MK8 Filament :1.75MM Package Included: 50 x Extruder 50 x Fittings Set