Feature: 1. Aluminum alloy material, precision technology, sturdy and , corrosion resistant.2. Convenient to install, flexible to use, compact and portable. 3. Inner wall with extinction treatment to avoid radiating light affecting image. 4. Professional manufacturing, stable characteristics and high reliability. 5. M48‑M48 adapter ring, M48(48mm thread pitch 0.75mm)to M48(48mm 0.75mm thread pitch), male to male adapter. Specification: Condition: Brand New Item Type: M48-M48 Adapter Ring Material: Alloy Color: Black Quantity: 1PCS Weight: Approx. 9g Mount: M48*0.75mm Package List: 1 x M48-M48 Adapter Ring |