Overview
The Kupo KS-122 Round Knob with 1/4"-20 Female Thread is a professional tightening knob designed for securing and adjusting lighting, camera, and grip equipment in film production, television, photography, and studio environments.
Constructed from durable plastic with an integrated metal threaded insert, the KS-122 provides a reliable hand-tightening solution for accessories and rigging systems that use a standard 1/4"-20 male thread. The round ergonomic shape offers comfortable grip and improved torque when tightening or loosening mounted equipment.
Its compact design makes it suitable for replacing lost or damaged knobs on clamps, mounting plates, articulating arms, lighting accessories, and camera support systems. The lightweight construction also makes it practical for portable production kits and field repairs.
Key Features
• Professional round tightening knob for grip and camera systems
• Standard 1/4"-20 female threaded insert
• Durable plastic construction with metal thread insert
• Ergonomic round shape for comfortable grip
• Allows quick hand tightening without tools
• Suitable for clamps, mounting plates, and accessories
• Lightweight and compact design
• Ideal replacement or utility accessory for production kits
• Compatible with film, TV, photography, and studio equipment
Specifications
• Model: KS-122
• Product Type: Round Knob
• Material: Plastic with metal threaded insert
• Finish: Black
• Thread Size: 1/4"-20 female
• Application: Hand-tightening accessory for mounting and rigging systems
What’s in the Box
• Kupo Round Knob with 1/4"-20 Female Thread (KS-122)
Why we stock it
Hand-picked for its build quality, service backup, and on-set reliability. Talk to our team for kit-list recommendations.
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Technical specifications
Detailed specifications available on request.
Need help speccing this?
Our team has rigged, gaffed, and shot with this fixture. Tell us about the production and we'll talk through the modifier set and accessory list.
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Local support, in-house workshop
Every fixture we sell is backed by a 24-month warranty, fully serviced from our Johannesburg workshop. We stock genuine spares and can usually return a unit to service within 5 working days of intake.
Our technical team has run the original manufacturer training courses in South Africa — if you need help configuring DMX, integrating with a CRMX system, or troubleshooting on location, we're a phone call away.
Need it on a job tomorrow?
We hold flagship cinema fixtures in walk-in stock. Order before 11:00 for same-day Johannesburg dispatch — or come collect from our showroom in person.
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