DescriptionIf you are looking for some hobbed bolts, then you must not miss our metal h obbed bolts.It is not easy to break and deform. It effectively exerts the function of theh obbed bolt,improving work efficiency.You deserve to have one set.Features- Color:As Shown.- Material:Metal.- Size: Approx.6.50X1.50X1.50cm/2.55X0.59X0.59in.- Scope of Application: Suitable for 3mm,1.75mm ABS,PLA 3D printer supplies into the wire back. -The Amount of Filamentation for One Turn: 7.36mm* PAI (wires of different thicknesses need to be fine-tuned).-Feed Tooth Spacing: 1.25mm.- High-quality material and fine craftsmanship, durable and sturdy for a long time. - Used to push the filament into the nozzle and has excellent driving force.- It will save you the time and possible frustration of making your own hobbed bolt.- Smooth surface and well polished, it will not hurt your hands. - A professional h obbed bolt set for replacing the broken or the old one.