Knob – Four Arm with Through Hole – 20 Insert – 1/4″

Build stronger, more reliable jigs and fixtures with the WoodRiver Four Arm Knob – Through Hole – 20 Insert – 1/4″. The four-arm design provides excellent grip and leverage, making adjustments easy and secure even when tightening by hand. The durable 20 insert offers smooth threading and long-lasting performance, while the through-hole configuration ensures compatibility with a wide range of jig and tool hardware. Perfect for custom jigs, fences, fixtures, and shop-made tools, this knob offers dependable holding power and ergonomic comfort. Whether you’re replacing worn hardware or creating new setups, this is a reliable choice for any workshop. Features: Four-arm shape offers strong, comfortable grip Ensures smooth, dependable threading Works with common jig and fixture hardware Durable construction built for repeated shop use Ideal for jigs, fences, fixtures, and tool adjustments Easy to install and replace Specifications: Style: Four Arm Knob Insert Size: 20 insert Thread Size: 1/4″ Phenolic 2″ dia. x 1″ height Type: Through hole knob Applications: Jigs, fixtures, tool adjustments, shop-built accessories What’s Included: (1) Wood River® Knob – Four Arm with Through Hole – 20 Insert – 1/4″