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Aluminium and rubber Super Knuckle with 1/4"-20 camera plate and 5/8" hex baby stud, 40 mm wide, 50 mm long, 130-degree angle

Kupo

Kupo Super Knuckle Hex Baby Stud 1/4"-20 Camera Plate

SKU CH-PBC0-F9BJH

Mounts a camera via a 1/4"-20 plate to a 5/8" hex baby stud with dual ball joints tightened by a single knob

  • Long-lasting performance from robust aluminum and rubber construction
  • Stable wobble-free connection via 1/4"-20 camera plate
  • Integrates with standard light stands using 5/8" hex baby stud
  • Easy transport and setup with 1.96" compact length
  • Precise positioning control through central dual ball-joint knob

Versatile Camera Mounting Solution

The Kupo Super Knuckle Hex Baby Stud combines a 1/4"-20 camera plate with a 5/8" (16mm) hex baby stud for flexible positioning. Its double-ended shell houses two ball joints controlled by a single central knob, allowing simultaneous tightening for precise adjustments. Crafted from robust aluminum and rubber, the unit measures 40mm wide by 50mm long and operates at a 130-degree angle.

Ideal for Modular Rigging Workflows

Photographers and videographers needing quick, wobble-free camera repositioning on light stands or Convi Clamp systems will benefit from the secure mounting and compact 1.96" length. The design suits on-location shoots where rapid setup changes are frequent. Buyers requiring a fixed, non-articulating adapter or those needing a different thread size should consider alternative mounting hardware.

Single Central Knob Locks Both Joints

The defining specification is the single central knob that simultaneously secures both ball joints within the double-ended shell. This mechanism dictates the speed and precision of camera repositioning, making it the critical factor for buyers evaluating whether this modular system matches their rigging workflow.

How it compares

Measured against everything we stock in Photo Lighting & Studio Flashes, at today’s prices. Recalculated every night.

Price $68.99
Pricier than about 56% of the 3,696 comparable items (median $57.99).

Specifications

No published specifications for this item yet.

Questions about this item

Does the 1/4"-20 camera plate or the 5/8" hex baby stud need periodic tightening or replacement?

Both mounts are machined from robust aluminum; the single central knob simultaneously clamps the two internal ball joints, so no separate plate or stud maintenance is required beyond occasional knob checks.

What stops me from positioning the camera at extreme angles during a long shoot?

The double ball-joint shell is designed with a 130-degree angular limit, so the camera cannot be tilted beyond that angle regardless of how the knob is tightened.

Will the aluminum body get hot or make noise when used continuously under studio lights?

The all-aluminium and rubber construction has no moving parts that generate heat or sound; it remains passive and silent during all-day use.

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