That is the Ikelite Slotted 7” Ball Arm Section 1” [4081.07]
Use the Ikelite Slotted 7” Ball Arm Section 1” with 7” length to extend your strobe or video light arm for underwater imaging. A longer arm enables different lighting angles and positions and lets you reduce backscatter, glare, and hard shadows. An optional clamp will assist you to attach the extension to any standard 1” ball arm, including those from Ikelite, TLC, Ultralight, and Nauticam. Moreover, the slotted design of the extension enables the connection of an optional lightweight accessory within the middle. When used with Ikelite’s Sliding Ball Mount, this accessory can move up and down the length of the arm. The ball mounts/joints measure 1” in diameter, and have a groove and o-ring to forestall slipping for a greater hold with less force. The extension and balls are Constructed from aluminium that has been treated with a hard type III anodized finish for resistance to corrosion.
Features:
Extends Lighting Arm
Standard 1” Diameter Ball Mounts
Slotted Design for Accessory Mounting
Constructed from Anodized Aluminium
Specification:
Material of Construction Aluminium with hard type III anodized finish
Diameter 1.0”/2.5cm ball mounts
Length 7.0”/17.8cm …Contact us if you wish to have more assist.