Specification:
Product Name: Star Knob
Material: Stainless Steel, Plastic
Inner Diameter: 5/16 inches/8 mm
Colour: Black
Package Includes: 3PCS 5 Star Knobs

Feature
Fine workmanship, deep thread, neat and clear, uniform force, not easy to slide.
Smooth lines and finger grip spacing, easy to adjust and tighten.
Made of high-quality stainless steel and plastic, durable, convenience, lightness, ruggedness and long service life.
Suitable for saws, drilling machines, lathes, fixed-size fixtures, fixtures, feather boards and fences.