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"