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Black 9.8 inch magic arm clamp kit with dual ball heads and 15 to 55 mm clamp range

K&F CONCEPT KF31.131 9.8" Magic Arm Clamp Kit Grip 1/4" 3/8" Threads 15-55mm

SKU CH-MZ00-XG7BS MPN KF31.131

A 9.8 inch articulating arm with dual 1/4 inch and 3/8 inch threads and a 15 to 55 mm clamp for mounting cameras, lights or microphones

  • Compatible phone brandsUniversal
  • Compatible phone modelsUniversal
  • Product typeTabletop Mount
  • Product colorBlack
  • Details14.5 in x 8.0 in x 3.5 in
  • 360° dual ball heads enable precise positioning
  • 1/4" and 3/8" threads attach cameras, lights and audio gear
  • Super clamp grips poles and surfaces from 15 mm to 55 mm
  • All-metal construction with rubber pads protects equipment
  • 8 inch reach extends mounting options for tabletop or pole setups

Versatile Magic Arm Kit

The K&F CONCEPT KF31.131 is a 9.8 inch magic arm clamp kit designed for photographers and videographers needing flexible mounting solutions. It features a 360° dual ball head with 1/4" and 3/8" thread screws for attaching cameras, monitors, microphones and other accessories. The all-metal construction includes anti-slip cushion pads to protect mounted devices and clamping surfaces from wear.

Upgrade From Fixed Mounts

This kit replaces static brackets and single-axis arms that limit creative positioning. The jump is worth it when you need to secure gear to poles, posts, tripods or tabletops with thicknesses between 15mm and 55mm. It solves multi-scene fixing needs where a standard cold shoe or rigid clamp cannot reach the required angle or mounting point.

Straightforward Setup

Installation involves tightening the super clamp around a surface within the 15-55mm opening range and locking the magic arm's central knob to fix the 360° ball heads in position. The 14.5 x 8.0 x 3.5 in package contains the arm and clamp only; adapters for specific action cameras like GoPro, DJI or Insta360 are not included and must be sourced separately.

How it compares

Measured against everything we stock in Phone Stands, Mounts & Grips, at today’s prices. Recalculated every night.

Price $28.99
Pricier than about 62% of the 1,932 comparable items (median $22.99).

Specifications

Product
Brand nameK&F CONCEPT
Model nameKF31.131
Product typeTabletop Mount
Product colorBlack
Compatibility
Compatible phone brandsUniversal
Compatible phone modelsUniversal

Questions about this item

What is the clamp opening range of the KF31.131 magic arm kit?

The super clamp opens from 15 mm to 55 mm, allowing it to grip poles, posts, tripod legs or tabletop edges within that thickness range.

How do the 1/4" and 3/8" threads on the magic arm connect to accessories, and what step is often missed?

Both ends of the 9.8 inch arm have 1/4" screws; the 3/8" thread is on the clamp base. The common mistake is forgetting to tighten the central locking knob after positioning the dual ball heads, which lets the arm drift.

Which parts of the KF31.131 kit may wear out and need replacement over time?

The two cushion pads and the round rubber pad on the magic arm provide anti-slip grip and surface protection; they can compress or tear with heavy use and should be replaced when they no longer hold securely.

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