Kupo KS-441 Dia. 26mm Ball With 1/4""""-20 Screw & Detachable Arri Loacting Pin

Kupo KS-441 Dia. 26mm Ball with 1/4"-20 Screw & Detachable ARRI Locating Pin — CNC Aluminum Ball Head for Camera Cages

The Kupo KS-441 is a CNC-machined aluminum ball head designed for reliable accessory mounting. It features a 26mm diameter ball, a 1/4"-20 screw and ARRI-style anti-rotation functionality. You will find this connection widely used in the video and cinema industries, particularly on camera cages.

Key features

• CNC-machined aluminum construction for consistent fit and finish.
• 26mm diameter ball providing a stable pivot point.
• 1/4"-20 screw for mounting common accessories and devices.
• ARRI-style anti-rotation to prevent unwanted twisting when attached to compatible gear.
• Detachable ARRI locating pin that allows the head to fit equipment both with and without locating pin holes.
• Integrated knurled tightening knob / thumbscrew for quick hand tightening and release.
• #3 Allen wrench hole for additional re-tightening when needed.
• Lightweight design — weight: 50g.

Compatibility and practical use

This ball head fits commonly used connections in video and cinema setups. Because it uses the ARRI-style anti-rotation interface and a 1/4"-20 screw, you can use it with camera cages and other accessories that accept these standards. Furthermore, the detachable locating pin gives you flexibility: attach the head where locating pin holes exist, or remove the pin to mount on equipment that lacks those holes.

Operation and adjustment

You can tighten the knurled thumbscrew by hand for quick adjustments and fast accessory changes. When you need a firmer lock, insert a #3 Allen wrench into the provided hole and re-tighten. This two-step approach combines convenience with the option for a more secure fit.

Specifications

FAQ

Question: Will this ball head work with camera cages?
Answer: Yes. The KS-441 uses a 1/4"-20 screw and ARRI-style anti-rotation interface, which are commonly found on camera cages and related cinema accessories. Its detachable locating pin also helps adapt to different cage designs.

Question: How do I secure the head once positioned?
Answer: First, tighten the integrated knurled thumbscrew by hand for a quick hold. If you need extra torque, use a #3 Allen wrench in the provided hole to re-tighten and ensure a firmer lock.

Question: Can I use the head on equipment without locating pin holes?
Answer: Yes. The locating pin is detachable so you can remove it and mount the head on gear that does not have locating pin holes, increasing compatibility.

Question: Is the KS-441 heavy to add to my rig?
Answer: The head weighs 50g, so it adds minimal weight while providing a stable connection and quick-release capability.