[Product Dimension] Head Diameter: 22mm/0.87" ; Thread Diameter: 8mm/0.31" ; Total Height: 80mm/3.15"
[High-quality Material] These knob replacement parts are made of plastic and metal which is sturdy and durable. The bolts are made of metal materials, which are durable, strong, wear-resistant and corrosion-resistant.
[Easy to use] Great replacement for your broken one with this knob.
[Scope of Application] Widely used for lathe machine, mechanical equipment, instrument and apparatus, industry equipment.