High Quality Material: Black Nylon and stainless steels Thread, Sturdy & reliable, Long service life.
Specification: 5/16"-18 Female Threaded ; Inner Diameter: 5/16 inch / 7.94mm, Outside Diameter 1.57 inch / 40mm, Height: 0.59 inch (15mm).
Unique Design: Star-shaped design, accord to ergonomic, comfortable hand grip, non-slip without scratching hands. Nuts Knob with through insert, can be very stable tightening screws.
Wonderful replacement: For your broken one with this round Knob. Also suitable for saws, drill press, lathes, fixture, feather board and fences, and other places where 5/16 inch-18 female thread is needed.
Package Included: 5Pcs, 5/16"-18 Star Knob Handle. Color: Black.