Product Description 3D Printer Accessories of L-shaped Wrench 6mm 7mm, they are complete tools. Sepcificattion: L-Shaped 6mm Wrench Suit for tighten MK8 Nozzle L-Shaped 7mm Wrench Suit for tighten E3D Nozzle Package include 1PCS x L-shaped Wrench 6mm for MK8 / 1PCS x L-shaped Wrench 7mm for E3D