Overview
The Kupo KS-420 Extension Arm is a CNC-machined aluminum grip arm finished in black anodized aluminum, designed to add reach between two swiveling connection points on camera support and lighting rigs. A 26mm ball sits at each end, and the arm carries 1/4"-20 and 3/8"-16 female threads for mounting to compatible ball receivers and knuckles, such as Kupo's Super Knuckle w/ Hex Baby Pin (KG017711). Fully extended, the arm reaches 12.7 cm in total length, making it a compact option for fine-tuning the position of monitors, accessories, or lighting hardware on set.
Dual 26mm Ball Joints
Both ends of the arm terminate in a 26mm ball, letting it connect directly to any receiver sized for that standard. This keeps the arm compatible with a wide range of grip and lighting accessories already built around the 26mm ball system.
Black Anodized Aluminum Build
The arm is CNC machined from aluminum and finished with a black anodized coating for a durable surface that holds up to repeated studio and location use, all while keeping total weight to just 80g.
Multiple Mounting Threads
- 3x 1/4"-20 female thread
- 2x 3/8"-16 female thread
General
| Mounting Threads | 3x 1/4"-20 Female Thread 2x 3/8"-16 Female Thread |
| Compatible Accessory | Kupo Super Knuckle w/ Hex Baby Pin (KG017711) |
Physical
| Dimensions | Total Length: 12.7 cm |
| Ball Diameter | 26 mm (Both Ends) |
| Weight | 80 g |
| Materials | Aluminum (CNC-Machined, Black Anodized) |
| Color | Black |
What's Included
- Kupo KS-420 7.6 cm Extension Arm with Double 26mm Balls
- Barcode: 39177
- UPC Barcode: 695401652573
- Supplier Code: KS-420