Mounting Adapter for Universal Mount. Features: The Osmo 1/4'' and 3/8'' Mounting Adapter is designed to increase the number of tools you can use with the Universal Mount. It is used to attach accessories with a 1/4'' or 3/8'' thread such as the Tripod. Dimensions: 30mm x 23mm x 9mm. Weight: 16.5g. Compatibility: Osmo /+/Mobile/Pro/RAW/Universal Mount.