This is a screw diameter conversion adapter. Please note: This is not a conversion adapter for a landing net. [Specifications] Male (convex): M8 Female (concave): M10 Total length: Approximately 35mm Threaded portion length: Approximately 15mm, depth: Approximately 16mm Width: Approximately 16mm Color: Gunmetal You can use it not only for diameter conversion but also for extension. Click here for other sizes of diameter conversion adapters: Click ↓↓↓ #Izu Okappari Diameter Conversion Adapter