Amazon
High quality metal material, it is portable, and durable. Total 10 pieces in a pack. Large spare parts extruder accessories for 3D printer to replace your broken. This is the U-Groove wheel pulley bearing used for 3D printer High precision, smooth, low noise.
High quality metal material, it is portable, and durable. Total 10 pieces in a pack. Large spare parts extruder accessories for 3D printer to replace your broken. This is the U-Groove wheel pulley bearing used for 3D printer High precision, smooth, low noise.