This is the Sealife Flex-Connect Underwater Flex Arm 7'' [SL9901]

Quickly and easily expand your camera set with Flex-Connect accessories -add grips, Flex Arms, trays and more with just a click. Flex-Connect allows you to transform your camera set from compact to full-featured in just seconds, providing a quick way to adjust to any diving environment.

The Sealife Flex-Connect Underwater Flex Arm 7'' enables the mounting of a flash or video light, such as the Sea Dragon Digital Underwater Flash or Sea Dragon 1200 and 2000-Lumen LED Lights. Additionally, an optional adapter allows you to use your SL980 light or SL961 strobe on the arm. It easily connects to an optional comfort grip by clicking into place on top of it and is just as easily disassembled for convenient travel. The versatile, flexible arm bends 100&deg,, giving you a wide range of options for lighting angles and positions. It is compatible with the Flex-Connect Micro, Standard and Dual camera/housing trays, which are available separately. The durable accessory is constructed from fibre-reinforced polycarbonate and marine-grade stainless steel.

Features:
Compatible with Flex-Connect Trays
Bends 100&deg,
Easily Assembled, Disassembled
Polycarbonate and Stainless Steel

Specification:
Length 7.0'' (17.8cm)
Construction Fibre-reinforced polycarbonate and marine-grade stainless steel ...Contact us if you need more help.